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US astronaut Christina Koch returned to Earth on February 6, 2020, after shattering the space flight record for female astronauts with a stay of almost 11 months aboard the International Space Station. The 41-year-old engineer touched down with two other astronauts in Kazakhstan after spending 328 days on her mission which involved more than 210 investigations to collect data for future missions to the moon and Mars.

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El virólogo Juan Ayllón Barasoain, director del Área de Medicina Preventiva y Salud Pública de la Universidad de Burgos, responde a preguntas frecuentes sobre el nuevo coronavirus (Covid-19). Juan Ayllón Barasoain ha trabajado investigando y enseñando bioquímica y virología. Ha trabajado en el "National Institutes of Health" (Bethesda, EEUU) y el Hospital Monte Sinaí (Mount Sinai School of Medicine; New York, EEUU). Actualmente es director del Área de Medicina Preventiva y Salud Pública de la Universidad de Burgos.

Re-live each of Tape Face's hilarious performances & auditions on America's Got Talent 2016! From his first audition all the way to the final performance on AGT 2016! What's your favourite performance? Let us know in the comments below.

Original Clips:

Tape Face First Audition:
https://www.youtube.com/watch?v=O70Ww9vzjvg

Tape Face Judges Cuts:
https://www.youtube.com/watch?v=A_9MZ59igWA

Tape Face Quarter Finals:
https://www.youtube.com/watch?v=VLLfCAnH8go

Tape Face Semi Finals:
https://www.youtube.com/watch?v=UMYFBEfkJ80

Tape Face The Final:
https://www.youtube.com/result....s?search_query=tape+

Got Talent Global brings together the very best in worldwide talent, creating a central hub for fans of the show to keep up to date with the other sensational performances from around the world.

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The humble pine cone is more than a holiday decoration. It's an ancient form of tree sex. Flowers may be faster and showier, but the largest living things in the world? The oldest? They all reproduce with cones.

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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.

Do pine cones have seeds?

“There are two different types of cones,” says Bruce Baldwin, professor of plant biology at University of California, Berkeley. “There’s seed cones and pollen cones. The pollen cones are relatively tiny. The seed cone gets to be much larger and takes three years to develop and release seeds so you can often see pine cones of three different stages of development on a single tree.”

Why do pine cones open and close?

Early in their development, the scales open slightly for a short time to grant access to wind-borne pollen released from smaller pollen cones. After receiving the pollen, the female cones close back up until the seeds are fertilized and mature. Once they are, the scales reopen allowing the wind to disperse the winged seeds.

What are the oldest living trees?

Conifers are some of the oldest plants in the forest. And they were once much more diverse than they are today. But since the evolution of flowering plants, their diversity has plummeted. Today only about 0.3 percent of all the species of seed plants have cones. Flowering plants have taken over most of the warmer, wetter habitats, pushing out the evergreen conifers.

What are the tallest living trees?
The tallest (coast redwood), most massive (giant sequoia) and oldest living (bristlecone pine) individual organisms is the world are all conifers.


More great Deep Look episodes:

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

The Hidden Perils of Permafrost:
https://youtu.be/wxABO84gol8


See also another great video from the PBS Digital Studios!

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

BrainCraft:
https://www.youtube.com/watch?v=Xr1dB86xE8o


Read an extended article on pine cones:
https://ww2.kqed.org/science/2....015/11/24/the-sex-li

If you’re in the San Francisco Bay Area, You can check out the conifer collections at the University of California, Berkeley Jepson Herbarium:
http://ucjeps.berkeley.edu/

Or take a stroll through Tilden Regional Parks Botanic Garden to see a variety of California conifers:
http://www.ebparks.org/page156.aspx



KQED Science: http://www.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

¡Bebé Panda se perdió y no encuentra a su mamá! ¡Ayúdalo a buscarla! ¡También el Baile del Dinosaurio con Bebé T-Rex, Cinco Monitos Saltan en la cama, Bebé Tiburón, Monito Mandón y mucho más! #littleangel #littleangelespañol

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¡Ve a tu canción favorita eligiendo en el título debajo!

00:04 ¿Y mi mamá?
01:53 Monito Mandón
04:08 Cinco Gatitos
05:39 Bebé Tiburón ¿Dónde está mi aleta?
07:47 El Baile del Dinosaurio con Bebé T-Rex
09:16 María tiene un corderito
10:50 Itsy Bitsy Araña
12:58 Cinco Monitos saltan en la cama
14:27 ¿Dónde estás, hermano Juan?
16:13 Brilla Brilla Estrellita
17:58 ¿Qué hay debajo de mi cama?

Nuestras canciones para niños enseñan habilidades básicas y mejoran su habilidad para comprender y seguir instrucciones. Las canciones infantiles aceleran las capacidades fonéticas y mejoran la comprensión oral, de lectura y escritura.

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Nursery rhymes and kids songs, músicas para crianças, música infantil, canciones para niños, अंग्रेजी में बच्चों के गाने, детские песни для детей, comptines en espagnol, bata kanta sa ingles, lagu kanak-kanak Inggeris, lagu anak-anak dalam bahasa inggris, أغاني الأطفال باللغة الإنجليزية, 兒童歌曲英文.

Animations by: Valnet Inc.
Copyright 2018 Valnet

Yoshua Saluda y Agradece a tía Rosario y Primo Billy por XBox.
Video from Julio Rodríguez, April 20, 2020

DEEP LOOK - Watch science and nature videos up close (really, really close). Twice a month, get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small. DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios.

SUBSCRIBE: http://goo.gl/8NwXqt

All-NEW EPISODES EVERY OTHER TUESDAY!

More about our new host, Lauren Sommer: http://blogs.kqed.org/pressroo....m/deeplooknewhostvid
#deeplook

Desde el 23 de enero, Wuhan, epicentro del Covid-19 permanece en una cuarentena severa. Se han cerrado el aeropuerto internacional, las estaciones de tren y servicios de autobús.

Pero no es la única ciudad clausurada. Para finales de enero, las autoridades extendieron las restricciones de transporte y movimiento al menos a otras 15 ciudades de la provincia de Hubei. En conjunto, alrededor de 57 millones de personas fueron afectados por esta cuarentena que ya dura más de un mes. Como si se hubiera puesto en cuarentena a todo Italia o Corea del Sur.

Pero en Wuhan, el gran foco del coronavirus, las medidas han alcanzado niveles de ciencia ficción.

Es ya la mayor cuarentena de la historia de la humanidad. Y tras más de un mes, las preguntas se acumulan. ¿Cómo se impone a ese nivel? ¿Es eficaz? ¿Cuánto lo podrá soportar la población?

#covid19 #cuarentena #coronavirus

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¿Sirven realmente las mascarillas comunes para prevenir el contagio del coronavirus? ¿Cuándo son realmente útiles y por qué en Asia las usan tanto? Estas son algunas de las preguntas que abordamos en este video.
En medio de la pandemia por el coronavirus covid-19 que mantiene al mundo en alerta te explicamos qué recomienda la OMS y cuales pueden ser los riesgos de usar incorrectamente una mascarilla.

Suscríbete al canal aquí ? https://bbc.in/2UHHVsu

● Investigación y guion: Inma Gil
● Presentación: Inma Gil
● Edición de video: Inma Gil
● Editora: Natalia Pianzola
-----------------------------------

Este es el canal oficial de la BBC en español. Si te interesa la actualidad internacional y buscas una cobertura imparcial estás en el mejor lugar.

Aquí encontrarás videos sobre noticias y temas de actualidad en distintos formatos, desde videos explicativos y documentales hasta entrevistas.

Gracias por visitarnos. ¡Nos vemos!

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#Coronavirus #Covid19 #BBCMundo

I saw my first wild koalas while driving on the great ocean road. Generally their days are not very exciting. They spend most of their time sleeping and the rest of the time eating eucalyptus leaves. The eucalyptus leaves are tough to digest which explains their consumate napping. Plus they require bacteria in their gut to help them break down their food. This bacteria must be passed down from mother to child through the mother's poo. It's a tough start to life for koalas!

Drive along with the NASA’s Opportunity Mars rover and hear the voices of scientists and engineers behind the mission. Designed to run for 90 days, the exploration spanned more than 15 years from 2004 to 2019. Along the way, it discovered definitive proof of liquid water on ancient Mars and set the off-world driving record. For more information on the Mars Exploration Rovers and all of NASA’s Mars missions, visit mars.nasa.gov.

Credit: NASA/JPL-Caltech

Sure, the female black widow has a terrible reputation. But who’s the real victim here? Her male counterpart is a total jerk — and might just be getting what he deserves.

Learn more about CuriosityStream at http://curiositystream.com/deeplook
SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt

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.

We’ve all heard the stories. She mates and then kills. Her venom is 15 times stronger than a rattlesnake’s. One bite could kill you. With a shiny black color and a glaring red hourglass stomach, she has long inspired fear and awe.

But most species of widow spider (there are 31), including the western black widow found in the U.S., don’t kill their mates at all. Only two widow spider species always eat their mate, the Australian redback and the brown widow, an invasive species in California.

And the male seems to be asking for it. In both of these species, he offers himself to her, somersaulting into her mouth after copulation.

He may even deserve it. During peak mating season, thousands of males will prowl around looking for females. Females set up their webs, stay put and wait.

Once the male arrives at her silken abode, he starts to wreck it, systematically disassembling her web one strand at a time. In a process scientists call web reduction, he bunches it into a little ball and wraps it up with his own silk.

Then, while mating, he will wrap her in fine strands that researchers refer to as the bridal veil. He drapes his silk over her legs, where her smell receptors are most concentrated.

After all of that, he is most likely to crawl away, alive and unscathed.

--- Why does the black widow spider eat her mate?

No one really knows, but scientists assume his body supplies her with nutrition for laying eggs. Sometimes she eats him by accident, not recognizing him as a mate.

--- How harmful are black widows to people?

We couldn’t find a documented case of a human death from a black widow spider in the U.S., but a bite will make you sick with extreme flu-like symptoms. Luckily, black widows aren’t aggressive to people.

--- Why do black widows have a red hourglass?

It’s a warning sign, a phenomenon common in nature that scientists call aposematicism, which is the use of color to ward off enemies.

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

https://ww2.kqed.org/science/2....018/01/09/why-the-ma
---+ For more information:

Black widow researcher Catherine Scott’s website: http://spiderbytes.org/

---+ More Great Deep Look episodes:

Why Is The Very Hungry Caterpillar So Dang Hungry?
https://www.youtube.com/watch?v=el_lPd2oFV4

Everything You Never Wanted to Know About Snail Sex
https://www.youtube.com/watch?v=UOcLaI44TXA

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

Origin of Everything: Why Does Santa Wear Red?
https://www.youtube.com/watch?v=fajNM5OPVnA

PBS Eons: 'Living Fossils' Aren't Really a Thing
https://www.youtube.com/watch?v=mPvZj2KcjAY

---+ 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 based in San Francisco, serves the people of Northern California and beyond with a public-supported alternative to commercial media. Home to one of the most listened-to public radio station in the nation, one of the highest-rated public television services and an award-winning education program, KQED is also a leader and innovator in interactive media and technology, taking people of all ages on journeys of exploration — exposing them to new people, places and ideas.

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 #blackwidow #spiders

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

SUBSCRIBE: http://goo.gl/8NwXqt

All-NEW EPISODES available now!
#deeplook

Like this video about how NASA is preparing to stop an asteroid headed for earth, and subscribe here: https://freeth.ink/youtube-subscribe-asteroids

Watch the next video in our series on Guardians of the Apocalypse: https://youtu.be/eHMdzWEU_c4

Estimates say that a vehicle-sized asteroid explodes in our atmosphere about once per year, often too high to make a noticeable impact.

But in 2013, a small meteor exploded just 20 miles above Chelyabinsk, Russia that sent over 1,200 people to the hospital.

Today, a team of experts from NASA’s Planetary Defense Coordination Office works diligently to find asteroids that travel near Earth’s orbit.

They’ve released a plan in order to prevent a large-scale asteroid impact, and part of this plan is the DART mission.

DART aims to travel to the asteroid Didymos in 2021 to demonstrate the tech that could be used to redirect an asteroid headed for Earth.

See the full article on NASA's plans to stop an asteroid headed for earth, here: https://www.freethink.com/show....s/guardians-of-the-a

Check out our other popular videos:
-NASA Will Use AR to Travel to Saturn in 2026: https://youtu.be/peNm2bgS7oM
-How NASA Will Feed the Farthest Journey in History: https://youtu.be/vTgnCaBVaj8

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Right after leaving the platform, the only significant force acting on the bungy jumper is his weight. This causes him to speed up from rest. His speed increases every second by nearly 10 m/s. This is not the maximum acceleration experienced by a bungy jumper, however.

A short a cappella tribute to experimentalists. It is sung while performing three simple experiments with household items: Mentos dropped in diet Coke, a tea bag emptied and burned, and a ping pong ball floating in the air stream of a hair dryer.

¡Mira nuestro más nuevo video del Bebé Tiburón en 3D! ¡Y canta junto a tu personaje favorito de la Familia Tiburón! #littleangel #littleangelespañol

(?) Subscríbete a Little Angel para ver videos nuevos en cuanto salgan►► http://bit.ly/suscribete_LittleAngel_Esp

¡Ve a tu canción favorita eligiendo en el título debajo!

00:04 Bebé Tiburón Navidad
02:46 Cinco Patitos
04:37 Somos Dinosaurios
06:23 Cabeza, hombros, rodillas y pies
09:06 ¿Y mi nariz?
11:04 Quiero ser grande
12:52 El baile del dinosaurio con bebé T-Rex
14:43 María tiene un corderito
16:16 Un elefante se balanceaba
18:08 Verduritas Sabrositas

Nuestras canciones para niños enseñan habilidades básicas y mejoran su habilidad para comprender y seguir instrucciones. Las canciones infantiles aceleran las capacidades fonéticas y mejoran la comprensión oral, de lectura y escritura.

No olvides darnos un LIKE (?) si disfrutaste este video.

Descubre el universo Little Angel en www.littleangel.com

Síguenos en redes sociales para nuestras últimas novedades:

★ Facebook: https://www.facebook.com/littleangelvideo/
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Nursery rhymes and kids songs, músicas para crianças, música infantil, canciones para niños, अंग्रेजी में बच्चों के गाने, детские песни для детей, comptines en espagnol, bata kanta sa ingles, lagu kanak-kanak Inggeris, lagu anak-anak dalam bahasa inggris, أغاني الأطفال باللغة الإنجليزية, 兒童歌曲英文.

Animations by: Valnet Inc.
Copyright 2018 Valnet

Remastered / HQ






Copyright Disclaimer Under Section 107 of the Copyright Act 1976,
allowance is made for fair use for purposes such as criticism,
comment, news reporting, teaching, scholarship, and research.
Fair use is a use permitted by copyright statute that might
otherwise be infringing.
Non-profit, educational or personal use
tips the balance in favor of fair use.

Se trata de hacer un pistón en el menor tiempo posible :D, mi marca está en 7 minutos, alguien que me supere.......XD
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Sígueme en twitter: https://twitter.com/wineMFN
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Link música: http://www.youtube.com/watch?v=L8cdSo4hQE4

Enjoy :D if you have any request just comment or message me or anything
this is off her album ,just whitney
i dont own anything
pictures from http://www.last.fm/music/Whitney+Houston/+images
they have a nice gallery