We filmed a garden orb web spider building their amazing spider web in this time lapse as well as slow motion footage as they capture their first prey with it!

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#SpiderWebTimelapse #SlowMotion #BBCEarth

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Planet Earth http://bit.ly/PlanetEarthPlaylist
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Spider Web Building Time-lapse | BBC Earth
We filmed a garden orb web spider building their amazing spider web in this time lapse as well as slow motion footage as they capture their first prey with it!

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.

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Be wowed by the brilliant hues of our blue planet and the incredible animals that live therewith this 10 hour loop.
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#OurBluePlanet is a digital collaboration between BBC Earth and OceanX Media with featured media from both companies. Join the conversation over on Twitter @OurBluePlanet.

OceanX Media are a team of scientists, explorers and filmmakers driven to discover what lies beneath the waves and to document untold ocean stories. You can find out more here: http://www.oceanx.org

Watch more videos from BBC Earth:
Planet Earth http://bit.ly/PlanetEarthPlaylist
Blue Planet http://bit.ly/BluePlanetPlaylist
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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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In the final episode of Wild Lands: South Africa, Hannah Stitfall comes face to face with the mightiest savannah dwellers. She gets up close with Elephants and Dung Beetles, and meets the only living rhino to have ever survived a poaching attack.
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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.

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Join us underwater to experience a Norwegian Kelp forest in 360° #OurBluePlanet .
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#OurBluePlanet is a digital project between BBC Earth and Alucia Productions. Join the conversation over on Twitter @OurBluePlanet. Check out the full Our Blue Planet playlist here https://www.youtube.com/watch?v=ryM_s...

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
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About BBC Earth:
The world is an amazing place full of stories, beauty and natural wonder. Explore the official BBC Earth YouTube channel and meet the animals and wildlife of your planet. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history documentaries. Dramatic, rare and wild nature doesn't get more exciting than this. Subscribe to be the first to view new animal documentary videos.

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

A lone Grevy's Zebra can go for three days without drinking in this dry land and he's been waiting months for female visitors to his territory...Subscribe: http://bit.ly/BBCEarthSub

Taken from Africa.

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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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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

Music video by Ultravox performing Loves Great Adventure (2009 Digital Remaster).

http://vevo.ly/aQ7dNW

(0:00) 1.White China________________________(17:53) 5.Man of Two Worlds
(3:51) 2.One Small Day______________________(22:22) 6.Heart of the Country
(8:25) 3.Dancing with Tears in My Eyes_______(27:31) 7.When the Time Comes
(13:09) 4.Lament____________________________(32:32) 8.A Friend I Call Desire

Ⓟ&Ⓒ 1984 Chrysalis.

A couple of these tracks could already be found on youtube - here's the complete thing.
Ultravox! - such a great band while John Foxx was still part of it. They appropriately dropped the '!' afterwards, having become a totally different, utterly boring and ridiculous but -oh the irony of it!- extremely successful combo.

approx.timing :

01 - I want to be a machine - 00.00
02 - Slip away - 06.49
03 - Frozen ones - 11.00
04 - Distant smile - 15.22
05 - Young savage - 18.46
06 - My sex - 22.14
07 - Artificial life - 25.08 (fades in)
08 - Wide boys - 29.50
09 - Saturday night (in the city of the dead) - 32.38
10 - The wild, the beautiful and the damned - 35.35
11 - Rockwrok - 42.02
12 - Fear in the western world - 45.25 (incomplete - fades out)

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Nudibranchs may look cute, squishy and defenseless ... but watch out. These brightly-colored sea slugs aren't above stealing weapons from their prey.

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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.

The summer months bring low morning tides along the California coast, providing an opportunity to see one of the state’s most unusual inhabitants, sea slugs.

Also called nudibranchs, many of these relatives of snails are brightly colored and stand out among the seaweed and anemones living next to them in tidepools.

“Some of them are bright red, blue, yellow -- you name it,” said Terry Gosliner, senior curator of invertebrate zoology and geology at the California Academy of Sciences in San Francisco. “They're kind of designer slugs.”

But without a protective shell, big jaws or sharp claws, how do these squishy little creatures get away with such flamboyant colors in a habitat full of predators?

As it turns out, the nudibranchs’ colors serve as a warning to predators: These sea slugs are packing some very sophisticated defenses. And some aren’t above stealing weapons from their prey.

Gosliner and Brenna Green and Emily Otstott, graduate students at San Francisco State University, were out at dawn earlier this summer searching tidepools and floating docks around the Bay Area. They want to learn more about how these delicate little sea slugs survive and how changing ocean temperatures might threaten their futures.

Nudibranchs come in a staggering variety of shapes and sizes. Many accumulate toxic or bad-tasting chemicals from their prey, causing predators like fish and crabs to learn that the flashy colors mean the nudibranch wouldn’t make a good meal.

--- What are nudibranchs?
Nudibranchs are snails that lost their shell over evolutionary time. Since they don’t have a shell for protection, they have to use other ways to defend themselves like accumulating toxic chemicals in their flesh to make them taste bad to predators. Some species of nudibranchs eat relatives of jellyfish and accumulate the stingers within their bodies for defense.

--- Why do nudibranchs have such bright colors?
The bright colors serve as a signal to the nudibranch’s predators that they are not good to eat. If a fish or crab bites a nudibranch, it learns to associate the bad taste with the bright colors which tends to make them reluctant to bite a nudibranch with those colors in the future.

--- What does nudibranch mean?
The word nudibranch comes from Latin. It means naked gills. They got that name because some species of nudibranchs have an exposed ring of gills on their back that they use to breath.

---+ Read the entire article on KQED Science:
https://www.kqed.org/science/1....929993/this-adorable

---+ For more information:

Learn more about Terry Gosliner’s work with nudibranchs
https://www.calacademy.org/sta....ff/ibss/invertebrate

Learn more about Chris Lowe’s work with plankton
http://lowe.stanford.edu/

Learn more about Jessica Goodheart’s study of nematocyst sequestration
https://onlinelibrary.wiley.co....m/doi/full/10.1111/i

---+ More Great Deep Look episodes:

From Drifter to Dynamo: The Story of Plankton | Deep Look
https://youtu.be/jUvJ5ANH86I

For Pacific Mole Crabs It's Dig or Die | Deep Look
https://youtu.be/tfoYD8pAsMw

The Amazing Life of Sand | Deep Look
https://youtu.be/VkrQ9QuKprE

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

Why Are Hurricanes Getting Stronger? | Hot Mess
https://youtu.be/2E1Nt7JQRzc

When Fish Wore Armor | Eons
https://youtu.be/5pVTZH1LyTw

Why Do We Wash Our Hands After Going to the Bathroom? | Origin of Everything
https://youtu.be/fKlpGs34-_g

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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 #nudibranch #seaslug

When you live by the seashore, one day you're in, the next day you're lunch. So these crabs don the latest in seaweed outerwear and anemone accessories to blend in.

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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! *

As fans of the hit TV show Project Runway know, in fashion one day you’re in, and the next day you’re out. Nowhere is this truer than in the animal kingdom. One minute you’re a crab minding your own business in a tide pool, and the next, you’re a seagull’s snack.

Unless you’re a decorator crab, that is, and you use this season’s seaweed to save your life.

There are nearly 700 species of decorator crabs around the world – about a dozen of them in California, where they live in tide pools and kelp forests. They camouflage by decorating their heads, or their entire bodies depending on the species, with pieces of seaweed, anemones or other materials around them, which they attach securely to a natural Velcro that grows right on their bodies.

“It’s not a glue or anything; they have these hooked hairs all over their shells,” said biologist Jay Stachowicz, who studies decorator crabs at the University of California, Davis. “Through microscope photography we can see that it looks just like Velcro, except probably even better, even more hooked.”

These golden-colored hairs are thick and curled to form long rows. Some species of decorator crabs have these rows of hooked hairs only on their heads; others, on their entire bodies.

At his lab at UC Davis’ Bodega Marine Lab in Bodega Bay, Stachowicz collects crabs off the coast, places them in tanks, gives them some seaweed and watches them go to work.

The process is more exciting than watching Project Runway contestants create their confections, if you consider that the crabs are making it work with much more simple tools than the designers. And the stakes are much higher.

--- How does a decorator crab camouflage?
A pink Cryptic kelp crab, for example, cuts a piece of purple seaweed with one of its claws.

Then the crab holds the piece of seaweed above its head, the only part of its body where it has hooked hairs. It moves the piece of seaweed back and forth, until it’s tightly wedged inside the hooks. Then it repeats the process. The result is a “hat” of bushy seaweed that protrudes beyond its head.

With the seaweed, the crab is concealing two of its four antennae, short protuberances near its mouth. These antennae are constantly aflutter. The crab uses them to smell, and they could call the attention of predators even when the crab remains still. By hiding the movement of the antennae, the seaweed visor protects the crab from birds pecking around in the tide pools and aquatic predators like fish and octopuses.

--- What is Tim Gunn’s most famous quote?
The beloved advisor to contestants of Project Runway has many memorable phrases. But we’re pretty confident that one of his best-known sayings is “Make it work!”


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

https://ww2.kqed.org/science/2....017/05/09/decorator-

---+ For more information:

Jay Stachowicz Lab at the University of California, Davis:
http://www.eve.ucdavis.edu/sta....chowicz/research.sht

---+ More Great Deep Look episodes:

Sticky. Stretchy. Waterproof. The Amazing Underwater Tape of the Caddisfly
https://www.youtube.com/watch?v=Z3BHrzDHoYo

Pygmy Seahorses: Masters of Camouflage
https://www.youtube.com/watch?v=Q3CtGoqz3ww

Watch These Frustrated Squirrels Go Nuts!
https://www.youtube.com/watch?v=ZUjQtJGaSpk

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

Above The Noise: Why Do Our Brains Love Fake News?
https://www.youtube.com/watch?v=dNmwvntMF5A&index=1&list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV

Braincraft: Do You Own Your Cells?
https://www.youtube.com/watch?v=DIFTIYZrm0g&list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV&index=4
---+ Follow KQED Science:

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---+ About KQED

KQED, an NPR and PBS affiliate in San Francisco, California, 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

Dermestid Beetles are fast and fastidious eaters. They can pick a carcass clean in just days leaving even the most delicate bone structures intact. This makes them the perfect tool for museum scientists-- if you keep them far, far away from valuable collections.

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In nature, Dermestid Beetles are death-homing devices. They’ll find a dead body about a week after death and lay eggs in the drying flesh. The larvae emerge with a voracious appetite, outgrowing their skins six to eight times in just days before pupating, becoming adults and flying away to start a new colony.

These Dermestid Beetles at the Museum of Vertebrate Zoology at UC Berkeley are direct descendants from the original colony established in this museum in 1924. The process now used at museums around the world was pioneered here. These are the beetles you see here in this flesh-eating beetles time lapse.

Scientists in the prep lab downstairs receive nearly a thousand carcasses a year. It’s their job to preserve each animal for long-term use in the collections upstairs. And the work is not for the squeamish.

What makes beetles ideal for cleaning museum specimens is that they’re fast and fastidious eaters. They can pick a carcass clean while leaving even the most delicate bone structures intact.

It takes a large beetle colony 24 – 48 hours to clean the bones of small animals like rabbits and owls, and they can work on 100 - 200 specimens at a time. Larger animals like deer or coyotes take about a week.

But the alliance between beetles and museum is an uneasy one. Downstairs the beetles are a critical tool. But if Dermestids got loose upstairs, they could wreak havoc in the library stacks, munching through specimen drawers and ruining entire collections.

--- More KQED SCIENCE:

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KQED Science: http://ww2.kqed.org/science



---

More great DEEP LOOK episodes:

Where Are the Ants Carrying All Those Leaves?
https://www.youtube.com/watch?v=-6oKJ5FGk24

What Happens When You Put a Hummingbird in a Wind Tunnel?
https://www.youtube.com/watch?v=JyqY64ovjfY

Pygmy Seahorses: Masters of Camouflage
https://www.youtube.com/watch?v=Q3CtGoqz3ww

Related videos from the PBS Digital Studios Network!

Can Microbes Solve Murder Mysteries? - Gross Science
https://www.youtube.com/watch?v=kRUt9pqMCSg

The Surprising Ways Death Shapes Our Lives - BrainCraft
https://www.youtube.com/watch?v=Joalg73L_gw

Do Animals Mourn Their Dead? - It's Okay to Be Smart (ft. BrainCraft and Gross Science!)
https://www.youtube.com/watch?v=rHJDmMSKlHM

--- More KQED SCIENCE:

Tumblr: http://kqedscience.tumblr.com
Twitter: https://www.twitter.com/kqedscience
KQED Science: http://ww2.kqed.org/science


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 #dermestids #dermestidbeetle

Rain falls and within seconds dried-up moss that's been virtually dead for decades unfurls in an explosion of green. The microscopic creatures living in the moss come out to feed. Scientists say the genes in these “resurrection plants” might one day protect crops from drought.

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.

How does moss grow?

Mosses don’t have roots. Their porous cells absorb water like a sponge, whenever it’s available.

When there’s no rain, mosses dry out completely and stop photosynthesizing. That is, they stop using carbon dioxide and the light of the sun to grow. They’re virtually dead, reduced to a pile of chemicals, and can stay that way for years. Researchers have found dry, 100-year-old moss samples in a museum that came back to life when water was added.

Read an extended article on how scientists hope to use resurrection plants to create crops that can survive drought:

http://ww2.kqed.org/science/20....15/06/25/these-resur

--

More great Deep Look episodes:

Where Are the Ants Carrying All Those Leaves?
https://www.youtube.com/watch?v=-6oKJ5FGk24

What Happens When You Put a Hummingbird in a Wind Tunnel?
https://www.youtube.com/watch?v=JyqY64ovjfY

Pygmy Seahorses: Masters of Camouflage
https://www.youtube.com/watch?v=Q3CtGoqz3ww

See also another great video from the PBS Digital Studios!

It's Okay to Be Smart: Where Does the Smell of Rain Come From?

https://www.youtube.com/watch?v=lGcE5x8s0B8

KQED Science: http://ww2.kqed.org/science
Tumblr: http://kqedscience.tumblr.com
Twitter: https://www.twitter.com/kqedscience

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

Check out America From Scratch: https://youtu.be/LVuEJ15J19s
A rattlesnake's rattle isn't like a maraca, with little bits shaking around inside. So how exactly does it make that sound?

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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.

Rattlesnakes are ambush predators, relying on staying hidden to get close to their prey. They don’t sport the bright colors that some venomous snakes use as a warning to predators.

Fortunately, rattlesnakes have an unmistakable warning, a loud buzz made to startle any aggressor and hopefully avoid having to bite.

If you hear the rattlesnake’s rattle here’s what to do: First, stop moving! You want to figure out which direction the sound is coming from. Once you do, slowly back away.

If you do get bitten, immobilize the area and don't overly exert yourself. Immediately seek medical attention. You may need to be treated with antivenom.

DO NOT try to suck the venom out using your mouth or a suction device.

DO NOT try to capture the snake and stay clear of dead rattlesnakes, especially the head.

--- How do rattlesnakes make that buzzing sound?
The rattlesnake’s rattle is made up of loosely interlocking segments made of keratin, the same strong fibrous protein in your fingernails. Each segment is held in place by the one in front and behind it, but the individual segments can move a bit. When the snake shakes its tail, it sends undulating waves down the length of the rattle, and they click against each other. It happens so fast that all you hear is a buzz and all you see is a blur.

--- Why do rattlesnakes flick their tongue?
Like other snakes, rattlesnakes flick their tongues to gather odor particles suspended in liquid. The snake brings those scent molecules back to a special organ in the roof of their mouth called the vomeronasal organ or Jacobson's organ. The organ detects pheromones originating from prey and other snakes.

---+ Read the entire article on KQED:

https://www.kqed.org/science/1....945648/5-things-you-

---+ More Great Deep Look episodes:

Stinging Scorpion vs. Pain-Defying Mouse | Deep Look
https://www.youtube.com/watch?v=w-K_YtWqMro&t=35s

---+ ?Congratulations ?to the following fans for coming up with the *best* new names for the Jacobson's organ in our community tab challenge:

Pigeon Fowl - "Noodle snoofer"
alex jackson - "Ye Ol' Factory"
Aberrant Artist - "Tiny boi sniffer whiffer"
vandent nguyen - "Smeller Dweller" and "Flicker Snicker"

---+ Thank you to our Top Patreon Supporters ($10+ per month)!

Allen, Aurora Mitchell, Beckie, Ben Espey, Bill Cass, Bluapex, Breanna Tarnawsky, Carl, Chris B Emrick, Chris Murphy, Cindy McGill, Companion Cube, Cory, Daisuke Goto, Daisy Trevino , Daniel Voisine, Daniel Weinstein, David Deshpande, Dean Skoglund, Edwin Rivas, Elizabeth Ann Ditz, Eric Carter, Geidi Rodriguez, Gerardo Alfaro, Ivan Alexander, Jane Orbuch, JanetFromAnotherPlanet, Jason Buberel, Jeanine Womble, Jeanne Sommer, Jiayang Li, Joao Ascensao, johanna reis, Johnnyonnyful, Joshua Murallon Robertson, Justin Bull, Kallie Moore, Karen Reynolds, Katherine Schick, Kendall Rasmussen, Kenia Villegas, Kristell Esquivel, KW, Kyle Fisher, Laurel Przybylski, Levi Cai, Mark Joshua Bernardo, Michael Mieczkowski, Michele Wong, Nathan Padilla, Nathan Wright, Nicolette Ray, Pamela Parker, PM Daeley, Ricardo Martinez, riceeater, Richard Shalumov, Rick Wong, Robert Amling, Robert Warner, Samuel Bean, Sayantan Dasgupta, Sean Tucker, Shelley Pearson Cranshaw, Shirley Washburn, Sonia Tanlimco, SueEllen McCann, Supernovabetty, Tea Torvinen, TierZoo, Titania Juang, Two Box Fish, WhatzGames, Willy Nursalim, Yvan Mostaza,


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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.

Most flowering plants are more than willing to spread their pollen around. But some flowers hold out for just the right partner. Bumblebees and other buzz pollinators know just how to handle these stubborn flowers. They vibrate the blooms, shaking them until they give up the nutritious pollen.

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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! *

In the summertime, the air is thick with the low humming of bees delivering pollen from one flower to the next. If you listen closely, a louder buzz may catch your ear.

This sound is the key to a secret stash of pollen that some flowers hide deep within their anthers, the male parts of the plant. Only pollinators that buzz in just the right way can vibrate tiny grains out of minuscule holes at the top of the anthers for a protein-rich snack.

The strategy, called buzz-pollination, is risky. But it’s also critical to human agriculture. Tomatoes, potatoes and eggplants need wild populations of buzz pollinators, such as bumblebees, to produce fruit. Honeybees can’t do it.

Plants need a way to get the pollen — basically sperm — to the female parts of another flower. Most plants lure animal pollinators to spread these male gametes by producing sugary nectar. The bee laps up the sweet reward, is dusted with pollen and passively delivers it to the next bloom.

In contrast, buzz-pollinated flowers encourage bees to eat the pollen directly and hope some grains will make it to another flower. The evolutionary strategy is baffling to scientists.

“The flower is almost like playing hard to get,” says Anne Leonard, a biologist at the University of Nevada, Reno who studies buzz pollination. “It’s intriguing because these buzz-pollinated plants ask for a huge energy investment from the bees, but don’t give much back.”


--- What is buzz pollination?
Most flowering plants use sugary nectar as bait to attract bees and other pollinators, which get coated in pollen along the way. And since bees are messy, they inadvertently scatter some of that pollen onto the female part of the next flower they visit.

But some flowers lock their pollen up in their anthers, the male parts of the flower, instead of giving it away freely. The only way for the pollen to escape is through small holes called pores. Some pollinators like bumblebees (but not honeybees) are able to vibrate the flower’s anthers which shakes up the pollen and causes it to spew out of the pores.

The bumblebee collects the pollen and uses it as a reliable and protected source of protein.

--- What important crops use buzz pollination to make food?

The most important crops that use buzz pollination are potatoes, tomatoes, pumpkins, eggplants, cranberries and blueberries


--- What animals are capable of buzz pollination?
Many types of bees engage in buzz pollination, also called sonication. The most common is probably the bumblebee. Honeybees generally don’t use buzz pollination.

---+ Read the entire article on KQED Science:
https://ww2.kqed.org/science/2....016/07/19/this-vibra

---+ For more information:

Anne Leonard Lab, University of Nevada, Reno | Department of Biology
http://www.anneleonard.com/buzz-pollination/

---+ More Great Deep Look episodes:

These Lizards Have Been Playing Rock-Paper-Scissors for 15 Million Years | Deep Look
https://www.youtube.com/watch?v=rafdHxBwIbQ

Winter is Coming For These Argentine Ant Invaders | Deep Look
https://www.youtube.com/watch?v=boyzWeHdtiI

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

It's Okay to Be Smart: Why Don't Other Animals Wear Glasses?
https://www.youtube.com/watch?v=LhubEq6W9GE

Gross Science: The World's Most Expensive Fungus
https://www.youtube.com/watch?v=iV4WHFU2Id8

---+ Follow KQED Science:

KQED Science: http://www.kqed.org/science
Tumblr: http://kqedscience.tumblr.com
Twitter: https://www.twitter.com/kqedscience

---+ 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

Some corals look like undersea gardens, gently blowing in the breeze. Others look like alien brains. But in their skeletons are clues that promise to give scientists a detailed picture of the weather from 500 years ago. Reading these bones? Easy. As long as you have the world's most powerful X-ray laser.

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.

Is coral a plant or animal?

Corals are unusual creatures. They are actually a partnership- or symbiosis- between an animal (a polyp) and a plant (algae) in which they work together to survive and thrive.

How does coral grow?

Tiny animals called polyps form an exoskeleton to live in. When one polyp dies, another builds a new home right on top of the old one. Beneath lies the abandoned exoskeletons, like an ancient city made of layer upon layer of old dwellings.

What is coral made of?

Coral exoskeletons are mostly made of calcium carbonate. But sometimes the polyps incorporate tiny amounts of other elements from the surrounding water, including the element strontium. Biologists don’t fully understand why polyps absorb strontium, but it’s a phenomenon that happens consistently across the world’s oceans.

When sea surface temperatures are warmer, corals absorb less strontium into their exoskeletons. When they are colder, they absorb more. By comparing the strontium-to-calcium ratio over time, scientists are able to reconstruct sea surface temperatures from the past. They also can chart long-term climate cycles that occurred over the lifespan of the coral. Since these corals can live for over 500 years, this gives us insights into the weather hundreds of years before written scientific records.

Read the article for this video on KQED Science:
http://ww2.kqed.org/science/20....15/07/07/what-happen
--

More great Deep Look episodes:

Where Are the Ants Carrying All Those Leaves?
https://www.youtube.com/watch?v=-6oKJ5FGk24

What Happens When You Put a Hummingbird in a Wind Tunnel?
https://www.youtube.com/watch?v=JyqY64ovjfY

Pygmy Seahorses: Masters of Camouflage
https://www.youtube.com/watch?v=Q3CtGoqz3ww

See also another great video from the PBS Digital Studios!

It’s Okay to Be Smart: The Oldest Living Things In The World
https://www.youtube.com/watch?v=jgspUYDwnzQ

More KQED Science:

Tumblr: http://kqedscience.tumblr.com
Twitter: https://www.twitter.com/kqedscience
KQED Science: http://ww2.kqed.org/science

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

Bats have a brilliant way to find prey in the dark: echolocation. But to many of the moths they eat, that natural sonar is as loud as a jet engine. So some bats have hit on a sneakier, scrappier way to hunt.

SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt

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! *


Bats have been the only flying mammals for about 50 million years. Most species, with the exception of the fruit bats, use echolocation -- their built-in sonar -- to detect prey and snatch it from the air.

But not pallid bats. They hunt insects and arachnids that live on the ground by tracking their movements with another sense: hearing. In the final moments of their attack, they land and pluck their prey from the ground, a behavior called gleaning.

It took millions of years for bats to develop the lethal pairing of flight and echolocation. Why would a bat “go back” to a more primitive hunting style?

Many scientists believe the answer may have less to do with the bats alone than with moths, their principal food. In what these scientists describe as an “arms race” of evolution, many moth species have adapted to hear when they’re being tracked and to deploy counter-measures to bat echolocation.

These developments have driven some bats to seek alternate means of catching a meal – in part by keeping their sonar volume down. Pallid bats and other so-called “whispering bats” still use their echolocation to navigate. The volume navigational sonar is much quieter, more like a dishwasher.

For the pallid bat, part of occupying that niche has also meant evolving immunity scorpion venom. Another arms race.

--- Do all bats drink blood?

No, only three bat species are exclusive “hemovores” (blood-eaters), and only one of those, the common vampire bat, prefers mammals.

--- Why can’t humans hear echolocation?

Bat echolocation calls, whether for hunting or navigation – are too high-pitched for our ears to hear.

--- Do all bats carry rabies?

Only ½ to one percent of bats carry rabies. If a bat seems sick, rabies could be the cause. You should never touch any bat that you find.

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

https://ww2.kqed.org/science/2....017/10/10/these-whis

---+ For more information:

Visit the Razak Lab at UC Riverside:
http://www.faculty.ucr.edu/~khaleel/

---+ More Great Deep Look episodes:

A Real Alien Invasion Is Coming to a Palm Tree Near You
https://www.youtube.com/watch?v=S6a3Q5DzeBM

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

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

Origin Of Everything: The True Origin of Killer Clowns
https://www.youtube.com/watch?v=T5_Li2whOHA

Physics Girl: Fire in Freefall
https://www.youtube.com/watch?v=VAA_dNq_-8c

---+ Follow KQED Science:

KQED Science: http://www.kqed.org/science
Tumblr: http://kqedscience.tumblr.com
Twitter: https://www.twitter.com/kqedscience

---+ 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

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Do you want to help me translating it into your language?
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If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@artistleonardo.com (Business only, not for personal messages.)

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This tutorial shows How to Draw a Landscape With Trees and Lake, With Fountain Pen

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Do you want to help me translating it into your language?
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Visit: http://www.fineartebooks.com/ for free drawing tutorials.

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@leopereznieto.com (Business only, not for personal messages.)

List of materials:

Mechanical pencil with 0.5, HB lead
Mechanical pencil with 0.2, H lead
Mechanical pencil with 0.7, 2B lead
MagicRub FaberCastell eraser
Tombo pencil eraser
Canson light gray drawing paper, fine grain
Derwent white paster

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

http://www.fineartebooks.com/howtodraw_drawingschool/My_Blog/Entries/2012/8/1_My_materials.html

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My website Leonardo Pereznieto: http://www.leonardopereznieto.com/leo/Intro.html

I wish you great creations!

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This tutorial shows How to Draw a Silver Ring With a Heart
Comment dessiner une bague en argent avec un cœur

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Do you want to help me translating it into your language?
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If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@leopereznieto.com (Business only, not for personal messages.)

List of materials:

- Mechanical pencil: Tutto3, with 0.3mm 2H lead, 0.5 HB and 0.7 mm 2B lead - http://oartinternational.com/tutto3/

- Large transparent square triangle (similar to this): http://amzn.to/2AQKAsw

- Kneaded eraser Prismacolor - See it here: http://amzn.to/2cvi6G7

- Eraser: Prismacolor Premier Magic Rub - http://amzn.to/2x527vF

- SCHMINCKE 48 Half Pan Watercolor Set - http://amzn.to/2n45H1f

- Watercolor masking fluid - http://amzn.to/2AFA3h5

- Watercolor synthetic sable brushes, compact travel set - http://amzn.to/2AZyQUF

- Flat synthetic oil paint brushes n.6, n.10 and 3/4 inch - http://amzn.to/2rjSa9T

- Bristle brush: Hog - Filbert - 1 - http://amzn.to/2hq0jHb

- Fabriano Artistico 140 lb. Rough 20 Sheet Block 9x12" - See it here: http://amzn.to/2mZuLWu

- Desk duster (to clean up the eraser crumbs without touching the paper with the fingers) - http://amzn.to/2vZ7kjo


Recording Equipment:

Video camera: Panasonic HC-V380K - http://amzn.to/2xJwVmb

“L” shaped camera tripod - http://amzn.to/2xKUcnX

Mic: Blue Jeti - http://amzn.to/2gnwxCp
Pop filter (Mic screen) - http://amzn.to/2ysgn0T
Mic Foam Windacreen - http://amzn.to/2zeiYc8

- Lighting: Studio soft boxes: http://amzn.to/2xKSxhW

Laptop: Apple MacBookPro 13”. Mine is an older version of this beauty: http://amzn.to/2xKzHHL (note, the software I use for editing is Final Cut.)

Some of the above links are affiliate links.

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

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Download Fine Art-Tips mobile app:

On the Apple Store:

For iPhone/iPad free: https://itunes.apple.com/us/ap....p/fine-art-tips-draw

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I wish you great creations!

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This tutorial shows How to Paint a Waterscape With a Sailing Boat in Watercolor (Easy - Narrated)

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Visit my website: http://www.artistleonardo.com/

Visit: http://www.fineartebooks.com/ for free drawing tutorials.

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@leopereznieto.com (Business only, not for personal messages.)

List of materials:

Mechanical pencil with HB, 0.5 mm lead
Derwent Artists Fine Art color pencils set
MagicRub, FaberCastell eraser
Fabriano white drawing paper, fine grain
Felth pad

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

http://www.fineartebooks.com/howtodraw_drawingschool/My_Blog/Entries/2012/8/1_My_materials.html

You may also follow me on:

My Blog: http://www.fineartebooks.com/howtodraw_drawingschool/My_Blog/My_Blog.html

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LinkedIn: http://www.linkedin.com/profile/view?id=89957576&trk=tab_pro

http://instagram.com/artistleonardo

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Leonardo Pereznieto: http://www.leonardopereznieto.com/leo/Intro.html

Audio file(s) provided by http://www.audiomicro.com

This tutorial shows how to draw