Topic: body

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Hummingbirds fly, shake, and drink in slow motion

First shared in the National Geographic feature A Mesmerizing Look at Hummingbirds in Flight, this high-speed video footage by Anand Varma captures these "perfect flying machines" as they fly, shake, and drink. The sl...

A Few Things to Know About American Sign Language

What might people who use American Sign Language (ASL) want people who don't use it to better understand? DT Bruno, Kallissa Bailey, Ardavan Guity, Leyland Lyken, and Felicia Williams answer that question in this vide...

How do baby flamingos become pink?

Watch as downy gray flamingo chicks are fed bright red milk, a sort of crop milk made from either parents' upper digestive tracts. As the chicks grow, they develop their signature pink feathers, as well as adult bills...

You’re A Firework (Scientifically Speaking)

"You have more in common with a firework than you might think. The same process that powers those explosions is going on inside a grill when you cook a hot dog, and inside your body when you eat that hot dog." Sku...

The giant tap dancing noses of Shostakovich’s ‘The Nose’

Giant tap dancing noses... an entire row of them! First performed in 1929, this fantastical troupe is from Dmitry Shostakovich's The Nose. The production above is by The Royal Opera from the autumn of 2016: Shostak...

MetaLimbs: Extra robot arms that you control with your feet

What if you were given two extra robot arms to use? Could you open a closed door when your hands are full? Could you paint or build something faster or more efficiently? Might you become a master juggler? This Inami H...

Dancing Professionally With Cerebral Palsy

When doctors diagnosed Jerron Herman with cerebral palsy hemiplegia, they told him he wouldn't be able to clothe or feed himself, and that he would need assistance with nearly everything he did. Not only did Herman pr...

How to change anxiety into excitement

Starting at a new school, performing in a recital, riding a rollercoaster, playing against a tough team, taking a test... there can be so many times when we might feel worry, anxiety, and stress about a task or experi...

The three different ways mammals give birth

All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences — and one of the most remarkable differences is how they ...

Why peregrine falcons are the fastest animals on earth

Peregrine falcons are the fastest animals of the land—and it's no wonder, their bodies are built for speed. While cheetahs can run up to 70 mph on land, peregrine falcons can dive at speed of over 200 mph. That's fast...

Oxygen’s surprisingly complex journey through your body

Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach th...

Octopus, elephant, & human arm robot assistants from Festo

Inspired by an octopus tentacle, this OctopusGripper bionic arm can grab and hold a variety of round objects, both taking and passing it back to a human counterpart. It was designed and built by Festo's Bionic Learnin...

How the food you eat affects your gut – TED Ed

The bacteria in our guts can break down food the body can’t digest, produce important nutrients, regulate the immune system, and protect against harmful germs. And while we can’t control all the factors that go into m...

How to practice effectively…for just about anything

Mastering any physical skill takes practice. Practice is the repetition of an action with the goal of improvement, and it helps us perform with more ease, speed, and confidence. But what does practice actually do to m...

Why Does Your Cat’s Tongue Feel Like Sandpaper?

If you've ever been licked by a cat, did their tongue feel scratchy like sandpaper? The scratchiness is caused by their keratin papillae, tiny claw-like spines on their tongue that help to clean their fur. Cats (Felis...

An up close look at fingerprints and sweat glands

Zoom in to see this fingertip's epidermal ridges, those tiny lines, whorls, loops, arches, and valleys that are unique to each person on the planet. This macro and time lapse footage, filmed by Time Lapse Vision, an i...

The Ground Beneath Me: A photo every day for one year

I have feet. Sometimes they take me to far away places and sometimes they never leave my apartment. I took a photo of them and the ground beneath that lies beneath them every day from January 1st 2016 to December 31st...

The World’s First Poo Museum

How might you preserve scat -- an animal's fecal dropping, poo, or poop -- for the world's first poo museum? ...or pooseum? In this BBC Earth Unplugged episode, Maddie Moate visits with Daniel Roberts, co-founder ...

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