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A baby hairworm hitches a ride inside a cricket, feasting on its fat until the coiled-up parasite is ready to burst out. Then it hijacks the cricket's mind and compels it to head to water for a gruesome little swim.

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DEEP LOOK is an ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.

If you’re out on a hike and look down at a puddle, you might spot a long, brown spaghetti-shaped creature whipping around madly in a figure 8.

It’s a hairworm – also known as a horsehair worm or Gordian worm – and researchers have described 350 species around the world. Good news: It isn’t interested in infecting or attacking humans. But if you had happened on the puddle a few hours earlier, you might have witnessed a gruesome spectacle – the hairworm wriggling out of a cricket’s body, pushing its way out like the baby monster in the movie “Alien.”

How a hairworm ends up in a puddle, or another water source such as a stream, hot tub or a pet’s water dish, is a complex story. A young hairworm finds its way into a cricket or similar insect like a beetle or grasshopper, and once it’s grown into an adult, the parasite takes over its host’s brain to hitch a ride to the water.

As a result of the infection, crickets stop growing and reproducing. Male crickets infected by hairworms even lose their chirp, said Ben Hanelt, a biologist at the University of New Mexico who studies hairworms.

--- What *is* a hair worm?
A hair worm or hairworm – pick your spelling – is a nematomorph. Nematomorpha are a group of parasites. They’re long, thin worms that can grow to be several meters long inside their host.

--- Can humans be infected by hair worms?
There are reports of humans and cats and dogs being infected by hair worms, but hair worms aren’t after us or our pets because they can’t grow inside us, said Hanelt. They can only grow inside a host like a cricket or a related insect.

“What happens is that a dog, a cat, a human will ingest an adult (hair worm) somehow,” said Hanelt. “Could a cricket crawl in your sandwich before you take a bite? I don’t know. None of the studies that are out there talk about that. What they have been reported to do is to cause in many people intestinal distress.”

--- How do hair worms control crickets’ minds?
Scientists don’t understand the precise mechanism yet, but they believe that hairworms either boost chemicals in the crickets’ brains or pump chemicals into their brains.

---+ Read the entire article on KQED Science:
https://www.kqed.org/science/1....937775/these-hairwor

---+ For more information:

Hairworm Biodiversity Survey: http://www.nematomorpha.net

---+ More great Deep Look episodes:

Jerusalem Crickets Only Date Drummers
https://www.youtube.com/watch?v=mHbwC-AIyTE

How Mosquitoes Use Six Needles to Suck Your Blood
https://www.youtube.com/watch?v=rD8SmacBUcU

Identical Snowflakes? Scientist Ruins Winter For Everyone
https://www.youtube.com/watch?v=Gojddrb70N8

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?Congratulations ? to Sushant Mendon who won our GIF CHALLENGE over at the Deep Look Community Tab: https://www.youtube.com/user/K....QEDDeepLook/communit

---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is also supported by the National Science Foundation, the Templeton Religion Trust, the Templeton World Charity Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Fuhs Family Foundation and the members of KQED. #deeplook #hairworms #wildlife

There's a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers.

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* NEW VIDEOS EVERY OTHER TUESDAY! *

---+ How does sand form?

Sand can be anything that has been worn down until it’s reduced to some tiny, essential fragment of what it once was: a granite pebble from the mountains; coral from the sea; obsidian from a volcano; even skeletons of microscopic sea animals. It's also a technical term. Bigger than sand, that’s gravel, smaller? Silt.

By studying the composition and texture of sand, geologists can reconstruct its incredible life history. “There’s just a ton of information out there, and all of it is in the sand,” said Mary McGann, a geologist at the United States Geological Survey in Menlo Park, CA.

McGann recently took part in a comprehensive research project mapping sand’s journey into and throughout San Francisco Bay.

Patrick Barnard, another USGS geologist who helped oversee the project, said that it will help scientists understand how local beaches are changing over time. In particular, Barnard wants to understand why beaches just south of San Francisco Bay are among the most rapidly eroding beaches in the state.

From 2010-2012, Barnard and his team sampled beaches, outcrops, rivers and creeks to track sand’s journey around the bay. They even collected sand from the ocean floor. The researchers then carefully analyzed the samples to characterize the shapes, sizes, and chemical properties of the sand grains.

Barnard said the information provides a kind of fingerprint, or signature, for each sample that can then be matched to a potential source. For example, certain minerals may only come from the Sierra Mountains or the Marin Headlands.

“If we’ve covered all of the potential sources, and we know the unique signature of the sand from these different sources, and we find it on a beach somewhere, then we basically know where it came from,” explained Barnard.

And those species aren’t the only things finding their way into the sand. Manmade materials can show up there, too. McGann has found metal welding scraps and tiny glass spheres (commonly sprinkled on highways to make road stripes reflective) in sand samples from around the bay.

“All of these things can get washed into our rivers or our creeks, or washed off the road in storm drains,” explained McGann. “Eventually they end up in, for example, San Francisco Bay.”

By piecing together all of these clues – the information found in the minerals, biological material and man made objects that make up sand – the researchers ended up with a pretty clear picture of how sand travels around San Francisco Bay.

Some sands stay close to home. Rocky sand in the Marin Headlands comes from nearby bluffs, never straying far from its source.

Other sands travel hundreds of miles. Granite from the Sierra Nevada mountains careens down rivers and streams on a century-long sojourn to the coast.

In fact, much of the sand in the Bay Area comes from the Sacramento and San Joaquin rivers, with local watersheds also playing an important role in transporting sand to the beach.

Although this project focused on San Francisco Bay, the same techniques could be used to study other coastal systems, he added, revealing the incredible life stories of sand from around the world.

---+ More Deep Look episodes:

What Happens When You Zap Coral With The World's Most Powerful X-ray Laser?
https://youtu.be/aXmCU6IYnsA

These 'Resurrection Plants' Spring Back to Life in Seconds
https://youtu.be/eoFGKlZMo2g

--
Full article: http://blogs.kqed.org/science/....2014/11/04/the-amazi

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the David B. Gold Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.
#deeplook

Planarians are tiny googly-eyed flatworms with an uncanny ability: They can regrow their entire bodies, even a new head. So how do they do it?

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. Explore big scientific mysteries by going incredibly small.

Nelson Hall wants you to know that the googly-eyed flatworm he just sliced into four pieces is going to be OK.

Three of the flatworm’s four pieces have started to wriggle away from each other and its head is moving in circles under Hall’s microscope. “The head will just go off and do its own thing,” said Hall, a doctoral student of bioengineering at Stanford University.

But in three weeks, the head, as well as the other pieces, will each have grown into a complete flatworm just like the one Hall sliced up, dark brown and about a half-inch long.

Hall and researchers around the world are hard at work trying to understand how these flatworms, called planarians, use powerful stem cells to regenerate their entire bodies, an ability humans can only dream of.

Animals like starfish, salamanders and crabs can regrow a tail or a leg. Planarians, on the other hand, can regrow their entire bodies – even their heads, which only a few animals can do.

---What is the difference between healing and regeneration?
When we suffer a severe injury, the best we can hope for is that our wounds will heal. “Healing is more like closing the wound and cleaning debris. It’s too short of a process to have tissue replacement,” said Hall. “Regeneration is replacing the tissue that was lost.”

---What are pluripotent stem cells?
If planarians can regrow body parts, why can’t we? Key to planarians’ regenerative ability are powerful cells called pluripotent stem cells, which make up one-fifth of their bodies and can grow into every new body part. Humans only have pluripotent stem cells during the embryonic stage, before birth. After that, we mostly lose our ability to sprout new organs.

“We have a couple of tissues that can regenerate, like the liver, the outer layers of the skin and the inner layers of the intestine, and the bone marrow,” said Dr. Stephen Badylak, Deputy Director of the McGowan Institute for Regenerative Medicine at the University of Pittsburgh. “But the way we heal most tissues is by forming scar tissue.”

Scientists hope that studying planarians could lead to treatments for humans in which our stem cells could be coaxed one day to regrow severed limbs or sick organs.

---How to grow a fingertip.
Doctors are limited in what they can currently do to help people who lose a limb or part of one. Badylak, who doesn’t study planarians, has developed a treatment at the University of Pittsburgh that helps patients regrow their fingertips after an accident.

He applies a powder made of animal collagen and substances that stimulate cells to grow, to help form a scaffold that attracts stem cells from the parts of the nail that weren’t cut off. The stem cells regrow the fingertip, which isn’t identical to the one that was cut off, but is functional.

---+ Read the entire article on KQED Science:
https://www.kqed.org/science/1....933246/want-a-whole-

---+ For more information:
Regeneration in Nature: Francesc Cebrià’s blog on animal regeneration: https://regenerationinnature.wordpress.com

---+ More great Deep Look episodes:

Daddy Longlegs Risk Life ... and Especially Limb ... to Survive
https://www.youtube.com/watch?v=tjDmH8zhp6o

Take Two Leeches and Call Me in the Morning
https://www.youtube.com/watch?v=O-0SFWPLaII

These Fighting Fruit Flies Are Superheroes of Brain Science
https://www.youtube.com/watch?v=yvd3X1N0jUU

---+ See some great videos and documentaries from PBS Digital Studios!

Reactions: Why Tardigrades are Some of the Most Hardcore Critters on the Planet
https://www.youtube.com/watch?v=dEW1_Pba3z4

It’s Okay to Be Smart: Is Height All In Our Genes?
https://www.youtube.com/watch?v=0cuO5OSDMbw

---+ Follow KQED Science:

KQED Science: http://www.kqed.org/science
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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is also supported by the National Science Foundation, the Templeton Religion Trust, the Templeton World Charity Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Fuhs Family Foundation and the members of KQED.

#deeplook #planaria #flatworm

Tiny and delicate, pygmy seahorses survive by attaching to vibrant corals where they become nearly invisible to both predators and researchers. Now, biologists at the California Academy of Sciences have successfully bred them in captivity for the first time. Finally, they're able to study the seahorses' amazing act of camouflage up close.

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* NEW VIDEOS EVERY OTHER TUESDAY! *

Over the summer, biologists from the California Academy of Sciences in San Francisco returned from an expedition to the Philippines with some very rare and diminutive guests, a mating pair of pygmy seahorses.

Pygmy seahorses live their entire adult lives attached to a type of coral called a Gorgonian sea fan. The seahorses use their long tails to grab on to the delicately branched sea fans. But what’s really amazing is their ability to match the coral’s bright color and knobby texture. They blend in so perfectly that they are barely visible, even to a trained eye.

Pygmy seahorses are nearly impossible to raise in captivity. Until recently, there was no record of the seahorses ever living long enough to breed in an aquarium. As a result, very little is known about them, making them extremely attractive to researchers eager to learn about the mysterious species.

The Gorgonian sea fan is itself an animal, distantly related to jellyfish and anemones, and is very difficult to raise in tanks. But these seahorses cannot live without the them.

How do seahorses mate?

They do a courtship dance during which the female puts her eggs in the males brood pouch.

How do seahorses give birth?

Like other seahorses, it is the male pygmy that rears the offspring in his brood pouch, releasing groups of offspring every two weeks.

Check out an additional video from the Cal Academy: http://goo.gl/QhAf0T

Find out more about pygmy seahorses:

http://blogs.kqed.org/science/....2014/10/21/pygmy-sea

Created by KQED Public Media in San Francisco and presented by PBS Digital Studios.

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is supported by HopeLab, The David B. Gold Foundation; S. D. Bechtel, Jr. Foundation; The Dirk and Charlene Kabcenell Foundation; The Vadasz Family Foundation; Smart Family Foundation and the members of KQED.
#deeplook

Porcupines may be adorable, but their quills are razor-sharp, designed to impale and next to impossible to remove. But it's not all bad news. Researchers are designing new surgical staples that mimic the quill's shape to better close wounds and promote healing.

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. Explore big scientific mysteries by going incredibly small.

The quills of North American porcupines have microscopic backward-facing barbs on the tips. Those barbs make the quills slide in easy but very difficult to remove.

Researchers at Harvard are looking to porcupine quills for inspiration in designing a new type of surgical staple that would also use tiny barbs to keep itself lodged into the patient’s skin. This helps because traditional staples curve in under the skin to keep the staple in place. This creates more damage and can provide a place for bacteria to infect the wound.

--- How do porcupines defend themselves?
If threatened, a porcupine will bristle, raising its quills. The quills are densest in an area on the porcupine's back called the rosette. The quills are coated in a grease secreted by the porcupine’s skin. When the porcupine exposes its quills it releases a musky odor unique to porcupines that serves as a warning.

The porcupine turns so that it’s head faces away from the attacker and chatters its teeth to make an audible warning. If that’s not enough, he porcupine will use its muscular tail, covered in quills, to slap their attacker if they get too close.

--- Do porcupines shoot their quills?
Porcupines do not shoot their quills out. That’s a myth. Porcupine quills are held by their skin in a way that makes them difficult to fall out unless pushed in first, usually by contact with an attacker. The tail moves so quickly that it can appear that it is shooting the quills out.

---+ Read the entire article on KQED Science:
https://ww2.kqed.org/science/2....019/04/09/porcupines

---+ For more information:
Professor Uldis Roze studies North American porcupines at Queens College at the City University of New York:
http://biology.qc.cuny.edu/peo....ple/faculty/dr-uldis

Dr. Jeff Karp is developing a new type of surgical staple inspired by the barbs on North American porcupine quills.
http://www.karplab.net/portfol....io-item/porcupine-in

---+ More Great Deep Look episodes:
How Lice Turn Your Hair Into Their Jungle Gym | Deep Look
https://www.youtube.com/watch?v=Yb26BBvAAWU&list=PLdKlciEDdCQBpNSC7BIONruffF_ab4cqK&index=47

Take Two Leeches and Call Me in the Morning | Deep Look
https://www.youtube.com/watch?v=O-0SFWPLaII&list=PLdKlciEDdCQBpNSC7BIONruffF_ab4cqK&index=19

---+ Shoutout!

Congratulations to ?Snowcube94, Marley Kang, Mr Spooks, David Bouslov, and NonEuclideanDreams?, who were the first to correctly ID the muscle (arrector pili) and a scientific name for the phenomenon known as goose bumps (piloerection, horripilation, or cutis anserina), over at the Deep Look Community Tab:

https://www.youtube.com/channe....l/UC-3SbfTPJsL8fJAPK


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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is also supported by the National Science Foundation, the Templeton Religion Trust, the Templeton World Charity Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Fuhs Family Foundation and the members of KQED.

Pollinator. Mason. Jeweler. A female blue orchard bee is a multitasking master. She fashions exquisite nests out of mud and pollen that resemble pieces of jewelry. And in the process, she helps us grow nuts and fruits.

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and explore big scientific mysteries by going incredibly small.

* NEW VIDEOS EVERY OTHER TUESDAY! *

A new type of bee is buzzing through California's orchards. And researchers are hoping that the iridescent, greenish insect may help provide a more efficient way to pollinate nuts and fruits in an era when traditional honeybees have struggled.

Unlike honeybees, blue orchard bees don’t sting humans. And instead of building large colonies with thousands of worker bees caring for eggs laid by a queen bee, female blue orchard bees work alone to build their nests and stock them with food. They’re solitary bees, like most of the 4,000 species of bees in North America.

Blue orchard bees, which are native to the United States, are of increasing interest to scientists, government agencies and farmers for their ability to pollinate almonds, sweet cherries and other tree fruits more efficiently than honeybees.

“This is, I think, the moment for these bees to shine,” said entomologist Natalie Boyle, who studies blue orchard bees at the United States Department of Agriculture in Logan, Utah.

Boyle works with almond growers in California, whose crop is worth $5.2 billion a year and who rely heavily on honeybees to pollinate their orchards every February. Research has found that 400 female blue orchard bees are as effective at pollinating almonds as the more than 10,000 bees in a honeybee hive, said Boyle.

Between 40 and 50 percent of honeybee colonies die each year around the country, according to the yearly National Honey Bee Survey, carried out by universities with the sponsorship of the USDA and the California Almond Board, among others.

Finding other bees that could work side by side with honeybees could offer what Boyle calls “pollination insurance.”

--- What is a mason bee?
The blue orchard bee is a mason bee. Females build their nests out of mud that they collect with two huge pincer-like tools on their face called mandibles. In nature, they build their nests in places like hollow twigs. But they will also build them in pencil-wide drill holes in a wood block.

--- What makes blue orchard bees good pollinators?
One thing that makes blue orchard bees good pollinators are hairs on their abdomen called scopa, on which they collect and spread pollen. Blue orchard bees are particularly good at pollinating almonds and tree fruits like cherries and apples because they love foraging in their flowers. And they’re particularly well-suited to pollinate almonds, which are in bloom in February, when it’s chilly in California’s Central Valley, because they will fly around and forage at a cooler temperature than honeybees.

---+ Read the article on KQED Science:
https://www.kqed.org/science/1....928378/watch-this-be


---+ For more information:
Download the free book How to Manage the Blue Orchard Bee:
https://www.sare.org/Learning-....Center/Books/How-to-

---+ More Great Deep Look episodes:

This Vibrating Bumblebee Unlocks a Flower’s Hidden Treasure
https://www.youtube.com/watch?v=SZrTndD1H10

What Do Earwigs Do With Those Pincers Anyway?
https://www.youtube.com/watch?v=HuOnqWpIL9E

---+ See some great videos and documentaries from PBS Digital Studios!

PBS Eons: When Insects First Flew
https://www.youtube.com/watch?v=7QMcXEj7IT0

CrashCourse: The Plants & The Bees: Plant Reproduction - CrashCourse Biology #38
https://www.youtube.com/watch?v=ExaQ8shhkw8

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is supported by the Templeton Religion Trust and the Templeton World Charity Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Fuhs Family Foundation Fund and the members of KQED.

#deeplook #blueorchardbee #wildlifedocumentary

The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in detecting cancer.

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

* NEW VIDEOS EVERY OTHER TUESDAY! *

Aggressive, reef-dwelling mantis shrimp take more than one first-place ribbon in the animal kingdom. Outwardly resembling their lobster cousins, their colorful shells contain an impressive set of superpowers.

There are two types of mantis shrimp, named for their attack mode while hunting prey: smashers and spearers. With their spring-loaded, weaponized legs, these predators can crack a snail shell or harpoon a passing fish in a single punch.

The speed of these attacks has earned the mantis shrimp one of their world records: fastest strike in the animal kingdom.

Scientists are finding that another of their special abilities -- incredible eyesight -- has potential life-saving implications for people with cancer.

Mantis shrimp can perceive the most elusive attribute of light from the human standpoint: polarization. Polarization refers to the angle that light travels through space. Though it’s invisible to the human eye, many animals see this quality of light, especially underwater.

But mantis shrimp can see a special kind of polarization, called circular polarization. Scientists have found that some mantis shrimp species use circular polarization to communicate with each other on a kind of secret visual channel for mating and territorial purposes.

Inspired by the mantis shrimp’s superlative eyesight, a group of researchers is collaborating to build polarization cameras that would constitute a giant leap for early cancer detection. These cameras see otherwise invisible cancerous tissues by detecting their polarization signature, which is different between diseased and healthy tissues.

--- How fast is the mantis shrimp punch?

Their strike is about as fast as a .22 caliber rifle bullet. It’s been measured at 50mph.

--- What do mantis shrimp eat?

The “smasher” mantis shrimp eat hard-shelled creatures like snails and crabs. The “spearers” grab fish, worms, seahorses, and other soft-bodied prey by impaling them.

--- Where do mantis shrimp live?

In reefs, from the east coast of Africa to the west coast of Australia, and throughout Indonesia. A few species are scattered around the globe, including two in California.

---+ Read the entire article on KQED Science:

https://ww2.kqed.org/science/2....016/11/15/the-snail-

---+ For more information:

Caldwell Lab at U.C. Berkeley: http://ib.berkeley.edu/labs/caldwell/

---+ More Great Deep Look episodes:

Nature's Scuba Divers: How Beetles Breathe Underwater
https://www.youtube.com/watch?v=T-RtG5Z-9jQ

Sea Urchins Pull Themselves Inside Out to be Reborn
https://www.youtube.com/watch?v=ak2xqH5h0YY

---+ See some great videos and documentaries from the PBS Digital Studios!

Physics Girl: The Ultraviolet Catastrophe
https://www.youtube.com/watch?v=FXfrncRey-4

Gross Science: What Sound Does An Ant Make?
https://www.youtube.com/watch?v=yif0c0bRA48

---+ Follow KQED Science:

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.
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? 2017 WEBBY PEOPLE'S VOICE WINNER ? for Best Science & Education Video ? !
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Seen up close, the anatomy of a mosquito bite is terrifying. The most dangerous animal in the world uses six needle-like mouthparts to saw into our skin, tap a blood vessel and sometimes leave a dangerous parting gift.

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Scientists have discovered that the mosquito’s mouth, called a proboscis isn’t just one tiny spear. It’s a sophisticated system of thin needles, each of which pierces the skin, finds blood vessels and makes it easy for mosquitoes to suck blood out of them.

Male mosquitoes don’t bite us, but when a female mosquito pierces the skin, a flexible lip-like sheath called the labium scrolls up and stays outside as she pushes in six needle-like parts that scientists refer to as stylets.

Two of these needles, called maxillae, have tiny teeth. The mosquito uses them to saw through the skin. They’re so sharp you can barely feel the mosquito biting you.

“They’re like drill bits,” said University of California, Davis, biochemist Walter Leal.

Another set of needles, the mandibles, hold tissues apart while the mosquito works.

Then the sharp-tipped labrum needle probes under the skin, piercing a vessel and sucking blood from it.

The sixth needle – called the hypopharynx – drools saliva into us, and delivers chemicals that keep our blood flowing. Mosquito saliva also makes our blood vessels dilate, blocks our immune response and lubricates the proboscis. It causes us to develop itchy welts, and serves as a conduit for dangerous viruses and parasites.

---+ Read the entire article on KQED Science:
http://ww2.kqed.org/science/20....16/06/07/how-mosquit

---+ What is the deadliest animal in the world?
Mosquitoes are the deadliest animals in the world to us humans. The diseases they transmit kill hundreds of thousands of people each year.

---+ How many people get malaria each year?
In 2015, malaria, the deadliest mosquito-borne disease, killed roughly 635,000 people, mostly children under the age of five and pregnant women in sub-Saharan Africa.

---+ What diseases do mosquitoes transmit?
Malaria, dengue, yellow fever, West Nile and Zika are some of the diseases that mosquitoes transmit.

Dengue fever, transmitted Aedes aegypti mosquitoes, is estimated to make almost 400 million people sick with jabbing joint pain each year.

Scientists also believe that Aedes aegypti mosquitoes are the main culprit for more than 350 confirmed cases of congenital malformations associated with the Zika virus in the northeastern Brazilian state of Pernambuco. Since last October, an unusually high number of babies have been born there with small heads and a host of health problems like convulsions, suspected of being caused by a Zika virus infection early in their mother’s pregnancy.

---+ What diseases can I get from mosquitoes in the United States?
West Nile virus is the most important of several mosquito-transmitted viruses now native to the U.S., according to the Centers for Disease Control.

---+ More Great Deep Look episodes:

The Bombardier Beetle And Its Crazy Chemical Cannon
https://youtu.be/BWwgLS5tK80

--- See also this new Zika video from PBS Digital Studios:

Should You Be Worried About Zika? | It's Okay to Be Smart
https://www.youtube.com/watch?v=rZ9S_3RFBgc

---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the David B. Gold Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.

--

Video of mosquito labrum probing under mouse skin from:
Choumet V, Attout T, Chartier L, Khun H, Sautereau J, et al. (2012) Visualizing Non Infectious and Infectious Anopheles gambiae Blood Feedings in Naïve and Saliva-Immunized Mice. PLoS ONE 7(12): e50464. doi:10.1371/journal.pone.0050464 .
Used under the terms of: http://creativecommons.org/licenses/by/4.0/

Animations based on drawing in Choo Y-M, Buss GK, Tan K and Leal WS (2015) Multitasking roles of mosquito labrum in oviposition and blood feeding. Front. Physiol. 6:306. doi: 10.3389/fphys.2015.00306
Used under the terms of: http://creativecommons.org/licenses/by/4.0/
#deeplook #mosquito #mosquitobite

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Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to survive. This is a huge challenge for animal shelters, so they're working with researchers on ways to help motherless kittens flourish.

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

--

Every year, hundreds of thousands of kittens end up in animal shelters, in need of permanent homes.

But raising orphaned newborns into healthy, fluffy, frisky two-month-olds ready to be adopted requires an enormous behind-the-scenes effort. All across the country, volunteer foster parents log many sleepless nights bottle-feeding kittens every few hours. So researchers and shelters are trying to figure out ways to make it easier.

“A lot of people think fostering is taking kittens home and playing with them,” said Penny Dougherty, chief executive director of Kitten Central of Placer County, an animal shelter she runs from her house in Newcastle, California, 30 miles northeast of Sacramento.

Kitten Central receives most of its kittens from Placer County Animal Services. Dougherty cares for kittens up to one month old, as well as feral and stray cats with litters. Once the kittens weigh at least two pounds and have been spayed and neutered, she returns them to the agency so they can put them up for adoption.

“They’re very happy to have our services,” said Dougherty, “because so many shelters have to euthanize.”

When the days start getting longer, around January, cats start breeding. March is the beginning of what’s known among shelters as “kitten season.” The flow of kittens doesn’t slow down until November.

“Kitten season is kind of one of the banes of shelter existence,” said Cynthia Delany, supervising shelter veterinarian at Yolo County Animal Services, in Woodland, west of Sacramento. “Six or seven months out of the year we’re just flooded with these little guys.”

To steer clear of inundating shelters with newborn kittens, Delany’s advice is to leave any litters you might encounter alone unless they’re in immediate danger. Most of the time their mom will return, she said, so check back periodically.

In an effort to lessen the load on foster parents and increase newborn kittens’ chances of survival, Mikel Maria Delgado, a postdoctoral researcher in the School of Veterinary Medicine at the University of California, Davis, is joining forces with Kitten Central and other animal shelters to figure out if there are optimum temperature and humidity levels that make it possible to feed newborn kittens less frequently. She has distributed incubators to the groups so that two or three kittens can be kept in each one for about three weeks.

---How long do kittens' eyes stay closed?
During the first week-and-a-half of their lives, kittens’ eyes are sealed closed and their ears are folded up, making them practically blind and deaf. They’re born this way because their brains aren’t developed enough to use those senses.

---+ Read the entire article on KQED Science:
https://www.kqed.org/science/1....930803/how-kittens-g

---+ For more information:
If you find a litter of newborn kittens: https://eastbayspca.org/get-in....volved/community-res

---+ More Great Deep Look episodes:

Why Does Your Cat’s Tongue Feel Like Sandpaper?
https://www.youtube.com/watch?v=9h_QtLol75I&t=24s

Watch This Bee Build Her Bee-jeweled Nest
https://www.youtube.com/watch?v=oPbH1YhsdP8

---+ See some great videos and documentaries from PBS Digital Studios!

It’s Okay to Be Smart: Why Do Disney Princesses All Look Like Babies?
https://www.youtube.com/watch?v=T1gzpEktyKo

PBS Eons: The Story of Saberteeth
https://www.youtube.com/watch?v=hbjIhPHRZgc

---+ Follow KQED Science:

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is supported by the Templeton Religion Trust and the Templeton World Charity Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Fuhs Family Foundation Fund and the members of KQED.

Something is growing inside that fruit fly in your kitchen. At dusk, the fly points its wings straight up and dies in a gruesome pose so that a fungus can ooze out and fire hundreds of reproductive spores.

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.

Some of the scariest monsters are the ones that grow inside another being and take over its body. Think of the movie Alien, where the reptile-like space creature explodes out of its victim’s chest.

That monster might be fictional, but scientists are studying a fungus that’s horrifyingly real — at least for the flies it invades, turns into a zombie-like state and kills in order to reproduce.

“Oh, it’s a nightmare for the flies,” said entomologist Brad Mullens, who studied the fungus at the University of California, Riverside.

The fungus is known by its scientific name, Entomophthora muscae, which means “fly destroyer.” It lives off houseflies and fruit flies, among others.

“It’s a crazy system,” said Carolyn Elya, a biologist at Harvard. “The fungus only kills at dusk.”

Like a killer puppeteer, the fungus follows a precise clock.

At dusk on the fourth or fifth day after it picks up a fungal spore, an infected fruit fly stops flying. It starts behaving erratically, for example climbing up and down toothpicks that Elya puts into the vials where she keeps the infected insects.

Then the fly climbs to the top of the toothpick, a behavior Elya and other scientists refer to as “summiting.”

In an unusual twist, the fly then extends its mouthpart down, and some liquid drips out and glues the fly to the surface it’s standing on. Over the next 10 minutes, the fly’s wings ascend until they’re pointing upwards and it dies frozen in this lifelike pose.

Soon after, white spongy fungus oozes out of its abdomen. This white goo is made up of hundreds of lollipop-shaped protrusions which each launch a microscopic bell-shaped spore at high speed. Now the spores just need to get into another fly to grow.

--- Could this or a similar fungus “zombify” humans?
“No, it's very unlikely,” Elya said. “We can control our bodily temperature to kill invaders.”

-- Can we use the fungus as biological control?
Researchers have tried, but the spores are too fragile to grow in the lab.

---+ Read the entire article on KQED Science:
https://www.kqed.org/science/1....949314/this-killer-f

---+ Shoutout!

?Congratulations? to the following fans on our Deep Look Community Tab for coming up with the top titles - as decided by fellow Deep Peeps - for a horror movie starring this fungus:

Joginiz - "Flyday the 13th'
KingXDragoon - "Pretty Fly for a dead guy"
Laura Garrard - The Fungus Among Us!!
Lysiasolo - "Parafungal activity"
De paus van de Lilith Kerk - The whitecorpse horror (as an ode to HP Lovecraft "the Dunwich horror")

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is also supported by the National Science Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Fuhs Family Foundation, Campaign 21 and the members of KQED.

#fruitflies #deeplook

Turtles grow up without parents, which might sound lonely. But for threatened baby turtles raised in a zoo it’s an advantage: they can learn to catch crickets all by themselves. There’s a paradox, though. When they are ready to leave the nursery, there is little wilderness where they can make a home.

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DEEP LOOK: a new ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.


Read more on baby turtles:
https://ww2.kqed.org/science/2....016/01/26/these-craz


Where do turtles live?
Western pond turtles live most of their lives in the water, in freshwater lakes.


What do turtles eat?
The meat-eaters feed on crustaceans like crayfish, dragonfly nymphs and fish.


Are turtles reptiles?
Turtles are reptiles not amphibians. They are considered reptiles since they live in water.


Are turtles endangered?
"There are only 300 species, and most of them are doing quite poorly." The turtles haven’t been doing well in their native habitat in the western United States. In California, they’re a species of “special concern.”


Why can turtles be raised in zoos?
Most turtle species grow up without parents, which makes them easy to raise in zoos and help conservation. Once a female western pond turtle lays her eggs near a lake or pond, she never returns to the nest. Because they lack parental care, turtles don’t imprint on zoo keepers.


More great Deep Look episodes:

Nature's Scuba Divers: How Beetles Breathe Underwater:
https://youtu.be/T-RtG5Z-9jQ

Nature's Mood Rings: How Chameleons Really Change Color:
https://youtu.be/Kp9W-_W8rCM

Newt Sex: Buff Males! Writhing Females! Cannibalism!
https://youtu.be/5m37QR_4XNY


See also another great video from the PBS Digital Studios!

It's Okay to Be Smart:
https://youtu.be/fWc46NCnldo

If you’re in the San Francisco Bay Area, The San Francisco Zoo is currently head-starting nine western pond turtle hatchlings and the Oakland Zoo, 16. The baby turtles at the San Francisco Zoo are on display in the Children’s Zoo, while the Oakland Zoo is raising theirs in a back room where six small tubs create the impression of a maternity ward.
http://www.sfzoo.org/
http://oaklandzoo.org/


KQED Science: http://www.kqed.org/science
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Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the David B. Gold Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.
#deeplook

Yep, you probably have Demodex mites living on your face. These tiny arachnids feast on sebum, the greasy oil in your pores. But should you be worried about your eight-legged guests?

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DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.

Pretty much every adult human alive has a population of these mites living on them.

Also called eyelash mites, they’re too small to see with the naked eye. They’re mostly transparent, and at about .3 millimeters long, it would take about five face adult mites laid end to end to stretch across the head of a pin.

Face mites spend their days face-down inside your hair follicles nestled up against the hair shaft.
They eat sebum, that greasy oil your skin makes to protect itself and keep it from drying out. That’s why the greasiest parts of your body — like around the eyes, nose and mouth — likely harbor a higher concentration of mites than other areas.

They live about two weeks. They spend most of their time tucked inside our pores. But while we’re sleeping, they crawl out onto the surface of our skin to mate before crawling back into our pores to lay their eggs. Fun!

--- How common are face mites?
Pretty much everyone has some face mites on them. Babies are born without them but quickly receive them from their parents through direct contact. The amount of mites may increase during puberty when the skin starts to produce more oil.

--- How do you get rid of face mites?
There’s usually no need to try to rid yourself of face mites as they typically don’t cause any symptoms and are nearly impossible to fully eradicate. Since female face mites can also reproduce asexually, it only takes one mite to repopulate your skin. Some people experience an overpopulation of face mites resulting in an inflammatory disease called demodicosis which is easy to recognize sue to the many small evenly-sized pimples that appear quickly. Consult a dermatologist if you think you may have symptoms.

--- What do face mites eat?

Face mites consume the greasy oil that you skin produces to protect itself.

---+ Read the entire article on KQED

https://www.kqed.org/science/1....941506/these-face-mi

---+ More Great Deep Look episodes:
How Lice Turn Your Hair Into Their Jungle Gym | Deep Look
https://www.youtube.com/watch?v=Yb26BBvAAWU&t=1s

How Ticks Dig In With a Mouth Full of Hooks | Deep Look
https://www.youtube.com/watch?v=_IoOJu2_FKE

---+ Shoutout!

?Congratulations? to jac lyn, Vanessa C u later, aspireme_95, Émile Julien, and Nono Chan who correctly identified the part of this animal that is, well… missing. Demodex lack an anus! Se the Community Tab post here: https://www.youtube.com/channe....l/UC-3SbfTPJsL8fJAPK

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Ahegao Comics, Allen, Aurora Mitchell, Beckie, Ben Espey, Bill Cass, Breanna Tarnawsky, Carlos Zepeda, Chris B Emrick, Chris Murphy, Companion Cube, Cooper Caraway, Daisuke Goto, Daniel Weinstein, David Deshpande, Edwin Rivas, Elizabeth Ann Ditz, Elizabeth Wolden, Ivan Alexander, Iver Soto, Jane Orbuch, JanetFromAnotherPlanet, Jason Buberel, Jeanine Womble, Jenn's Bowtique, Jeremy Lambert, Jiayang Li, Joao Ascensao, johanna reis, Johnnyonnyful, Joshua Murallon Robertson, Justin Bull, Karen Reynolds, Kristell Esquivel , KW, Kyle Fisher, Laurel Przybylski, Levi Cai, Lyall Talarico, Mario Rahmani, Marjorie D Miller, Mark Joshua Bernardo, Michael Mieczkowski, Monica Albe, Nathan Padilla, Nathan Wright, Pamela Parker, PM Daeley, Ricardo Martinez, Robert Amling, Robert Warner, Sayantan Dasgupta, Sean Tucker, Shelley Pearson Cranshaw, Shirley Washburn, SueEllen McCann, Tatianna Bartlett, Tea Torvinen, TierZoo, Tommy Tran, Two Box Fish, WhatzGames, Willy Nursalim

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, which is also supported by the National Science Foundation, the Templeton Religion Trust, the Templeton World Charity Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Fuhs Family Foundation and the members of KQED.

#facemites #demodex #deeplook

What do you do if you are a tiny caddisfly larva growing up in a torrent of water and debris? Simple. You build a shelter out of carefully selected pebbles and some homespun waterproof tape.

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* NEW VIDEOS EVERY OTHER TUESDAY! *

We already mimic them to make fly-fishing lures. But now scientists believe copycatting one tiny insect could hold promise for repairing human tissues and setting bones.

Instead of stitches and screws, doctors may soon call on the next generation of medical adhesives — glues and tape — to patch us up internally.

The inspiration? Caddisflies, a type of stream-dwelling, fish-baiting insects that live in creeks all across the United States.

As a larva, the caddisfly constructs a tiny tube-like house for itself, called a case, entirely underwater, using pebbles and its incredible homespun tape as the mortar.

Thanks to the qualities of this amazing silk, the case not only holds up when submerged, it is strong enough to protect the caddisfly’s soft lower body amid forces many times its body weight.

Any tape, including this one, has two basic components: the flat ribbon, or backing, and the layer of sticky stuff, or the glue. From the materials science standpoint, caddisfly tape is extraordinary in both departments.

Caddisfly silk biomimicry is only in its infancy, but one day, a similar compound might be used inside the body, which is another watery environment, to mend soft tissues and even repair hard ones, such as teeth and bone.

In the streambed, or brook, the caddisfly’s case eventually becomes a cocoon. Like its land-based cousins, the butterflies and moths, from whom it diverged 250 millions years ago, the caddisfly larva undergoes a metamorphosis. It seals up its case with a so-called “hat stone” and emerges months later as a winged adult.

--- Where do caddisflies live?

Caddisflies are most common in shallow, cold, turbulent streams, where the water is highly oxygenated.

--- What do caddisflies eat?

Caddisflies are herbivores, they eat decaying plant matter and algae on the rocks in the streams where they live.

--- What is so special about caddisfly silk?

Engineers are interested in two attributes of caddisfly silk. First of all, it can bond to something, such as a pebble, underwater, which no glue people have made can replicate. Second its “viscoelastic” properties allow to it harmlessly absorb physical forces. When stretched, it doesn’t snap back like a rubber band. It returns to its original shape slowly and safely. It's an engineering marvel.

---+ Read the entire article on KQED Science:

https://ww2.kqed.org/science/2....016/08/09/sticky-str

---+ For more information:

Troutnut.com
http://www.troutnut.com/hatch/....12/Insect-Trichopter

---+ More Great Deep Look episodes:

This Vibrating Bumblebee Unlocks a Flower's Hidden Treasure
https://www.youtube.com/watch?v=SZrTndD1H10

These Carnivorous Worms Catch Bugs by Mimicking the Night Sky
https://www.youtube.com/watch?v=vLb0iuTVzW0

---+ See some great videos and documentaries from the PBS Digital Studios!

It's Okay to Be Smart: Venom: Nature’s Killer Cocktails
https://www.youtube.com/watch?v=Qd92MuVZXik

Gross Science: Sea Turtles Get Herpes, Too
https://www.youtube.com/watch?v=bpqP9bUUInI

---+ Follow KQED Science:

KQED Science: http://www.kqed.org/science
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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.
#deeplook

Watch as monkeys, guanacos and kangaroos all go head-to-head in our greatest animal fights! For family or territory, these determined animals won't go down without a fight.
Subscribe: http://bit.ly/BBCEarthSub

#GreatestAnimalFights #AnimalFightsCompilation #BBCEarth

Watch more:
Planet Earth http://bit.ly/PlanetEarthPlaylist
Blue Planet http://bit.ly/BluePlanetPlaylist
Planet Earth II http://bit.ly/PlanetEarthIIPlaylist
Planet Dinosaur http://bit.ly/PlanetDinoPlaylist

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

Want to share your views with the team? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register

This is a page from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-fe....edback--contact-deta

At 150 strong this community of Chimps is the biggest yet found in Africa. Their numbers are so large they need a big territory with plenty of Fig trees, and they are willing to fight for it. Along with David Attenborough we get to witness the incredible stealth and brutality of a Chimp raid. Subscribe: http://bit.ly/BBCEarthSub

Taken From Planet Earth.

WATCH MORE:
New on Earth: https://bit.ly/2M3La96
Oceanscapes: https://bit.ly/2Hmd2kZ
Wild Thailand: https://bit.ly/2kR7lmh

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

Want to share your views? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register

This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-fe....edback--contact-deta

On the coast of Vancouver Island, the changing tides have a fascinating impact on shallow sea life. Raccoons take full advantage of the low tide to enjoy a sea feast in the spring tides. Subscribe: http://bit.ly/BBCEarthSub

Taken From Blue Planet Series 1

WATCH MORE:
New on Earth: https://bit.ly/2M3La96
Oceanscapes: https://bit.ly/2Hmd2kZ
Wild Thailand: https://bit.ly/2kR7lmh

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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Using amazing close-up footage, Sir David Attenborough explores the world of the red back spider.
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WATCH MORE:
New on Earth: https://bit.ly/2M3La96
Oceanscapes: https://bit.ly/2Hmd2kZ
Wild Thailand: https://bit.ly/2kR7lmh

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

Want to share your views? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register

This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-fe....edback--contact-deta

The cubs are using anyone and anything to try out their new teeth so Giles wants to put them to the test.Taken from Tigers About The House.

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Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos

This is a channel from BBC Studios who help fund new BBC programmes.

After precautionary checks the new born panda is reunited with mum.
Taken From Panda Babies. Subscribe: http://bit.ly/BBCEarthSub

WATCH MORE:
New on Earth: https://bit.ly/2M3La96
Oceanscapes: https://bit.ly/2Hmd2kZ
Wild Thailand: https://bit.ly/2kR7lmh

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

Want to share your views? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register

This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-fe....edback--contact-deta

A pack of wolves chases a buffalo and its calf. Can they catch them after days of starvation? Or can the buffalo and calf live to survive another day?

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Watch more videos from BBC Earth:
Planet Earth http://bit.ly/PlanetEarthPlaylist
Blue Planet http://bit.ly/BluePlanetPlaylist
Planet Earth II http://bit.ly/PlanetEarthIIPlaylist
Planet Dinosaur http://bit.ly/PlanetDinoPlaylist

Check out the other two channels in our BBC Earth network:
BBC Earth Unplugged: http://bit.ly/BBCEarthUnplugged
BBC Earth Lab: http://bit.ly/BBCEarthLabYouTubeChannel

Natural World: A Wolf Called Storm

Storm is an extraordinary wolf - the head of a pack in Canada's frozen north that hunts the giant buffalo herds. This pack came to fame in Frozen Planet, and now cameraman Jeff Turner spends a year with Storm and his wolf family, learning how they survive in this harsh wilderness and whether Storm can pass his hunting skills on to the new generation of wolf cubs.

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

Want to share your views with the team behind BBC Earth and win prizes? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register

This is a page from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-fe....edback--contact-deta