Topic: body

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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 ...

How high can you count on your fingers?

How high can you count on your fingers? It seems like a question with an obvious answer. After all, most of us have ten fingers -- or to be more precise, eight fingers and two thumbs. This gives us a total of ten digi...

Crafting Cell Diagrams

Create your own cells with science enthusiast and STEM education advocate Ella K. Chan. In 2013, at the age of 12, she began sharing science activities for kids on her Sci Files YouTube channel. In this activity, she ...

You Can’t See This (Mind Tricks)

Our brains and eyes aren't always showing us everything that's available to see. Instead, learning, memory, and expectation changes our vision to fit as much as we can comprehend in any given moment. In this AsapScien...

Toothpaste – Ingredients With George Zaidan

Cultures throughout history have tried a variety of things to clean their teeth... Egyptians and Babylonians brushed with twigs around 3500-3000 BC. In 5000 BC, a recipe of ox hooves, eggshells, myrrh, and pumice woul...

The Chemistry of Skunk Spray

Skunks are infamous for their awful-smelling odor, but they don't always smell that way. Their spray, a liquid full of stinky chemicals from their anal scent glands, is used strategically to chase away predators. In t...

What causes cavities?

When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can...

3D printing ‘hyperelastic bone’ to mend injuries

Hyperelastic bone may be a 3D-printed solution for helping to mend our bones in the future. Cost-effective and customizable, the material is both a "structural element and a scaffold for bone regeneration," as shown i...

What Really Causes Sunburns?

Why does your skin turn red and peel when you get a sunburn? In this episode of Gross Science, Anna Rothschild explains what's going on in our skin when it burns from sun exposure.

How do animals see in the dark?

How do animals see in the dark... and sometimes in color? Learn more about the night vision of the tarsier, cats, toads, and hawkmoths in this illuminating animation from TED Ed. Learn more about eyes in these videos.

DuoSkin: Functional, stylish on-skin user interfaces

Wear your game controller on your arm in the future and much more. From MIT Media Lab in collaboration with Microsoft Research, PhD student Cindy Hsin-Liu Kao introduces DuoSkin: Functional, stylish on-skin user inter...

A 3D printed ‘wheel-of-light’ zoetrope that walks and dances

When this 3D printed, bent-looking mesh cylinder is spun and lit with a band of bright light from the side, a walking person is revealed. This is toki, a modern zoetrope was created by media artist Akinori Goto. A dan...

How Old Is Your Body, Really?

Have you ever heard the statement that the cells in your body are completely replaced every seven years? Is this true? In this beautifully illustrated episode of Skunk Bear, NPR's Adam Cole explores how long our diffe...

The Blind Astronomer of Nova Scotia

Tim Doucette is legally blind, yet he sees the stars better than most people. A childhood diagnosis of congenital cataracts forced doctors to remove Doucette's lenses and widen his pupils. That left the amateur astron...

Why do some people have seasonal allergies?

If you've ever experienced watery eyes, sneezing, runny nose, itchy throat, and other allergic reactions during springtime, or you haven't but you know someone who has, this beautifully animated TED Ed by Eleanor Nels...

Opera singers sing during real-time MRI scans

Thanks to a team of researchers at the Freiburger Institute for Musician's Medicine, we get to watch this real-time MRI scan of baritone Michael Volle as he sings O Du, mein holder Abendstern (Oh thou, my fair evening...

Born with no fingers, teen Alexey Romanov is a piano prodigy

At 16 years old, Alexey Romanov has become a celebrated pianist across Russia. Born with no fingers, his growing love for classical music motivated him to start learning piano. In two years of diligent practice, Roman...

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