Topic: human body

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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.

The Importance of Staring Out Of The Window

Staring out the window is often associated with a lack of attention or productivity, but in this film from The School of Life, we examine the activity (or lack of activity) as a highly productive pursuit that we might...

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...

How do eyes work & how do glasses help us see?

Glass, water, and the eye are three different transparent mediums that change the direction of light, a phenomenon called refraction. Refraction in the eye helps us see by bending light into an accurately focused poin...

1,200 human mattress dominoes set a Guinness World Record

On March 22, 2016, it took 13 minutes and 38 seconds for 1,200 'human mattress dominoes' -- meaning humans falling with mattresses like dominoes -- to topple in the largest human mattress domino chain on record. The w...

The Science of Skin Color – TED Ed

When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the...

Evidence of evolution that you can find on your body

Signs of our evolutionary history can be found in the form of vestigial structures on the human body. Watch this Vox video to help identify the evidence of evolution in yours. Some background via Wikipedia: Vestig...

Astronaut Leland Melvin on Returning Home From Life In Space

What's it like to come back home to our Blue Marble after you've been floating around in orbit? NASA astronaut, engineer, and former football player Leland Melvin explains his return-to-Earth readjustment experience i...

The Stroop Test

After we learn to read, recognizing words becomes an automatic behavior that our brains can process much faster than recognizing colors. For example, say these words: Red. Green. Blue. So what happens when we intro...

This is What Outer Space Does to Your Body

NASA astronaut, engineer, and former football player Leland Melvin explains how the human body changes when it leaves the confines of Planet Earth. Your body may become taller, your heart might get smaller and change ...

Madeline the Robot Tamer

Allowing people to easily direct industrial robot actions through human movement, researcher, designer, and educator Madeline Gannon developed a gesture-based communication software, Quipt, as an artist-in-residence a...

Animated Life: Mary Leakey & the Laetoli footprints

Forty years ago in Laetoli, Tanzania, an elephant dung fight between a couple of paleoanthropologists led to a discovery: a fossilized animal print, at least 3.6 million years old. But the site had an even bigger surp...

A Sisyphus kinetic sculpture made with LEGO

Whether it's being powered by a hand crank or a motor, this Sisyphus LEGO kinetic sculpture by LEGO artist Jason Allemann is impressive, from the smooth movement of the figure's body to the myth-driven depictions on t...

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