Topic: science

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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...

Newton’s Three Laws of Motion

Follow four astronauts on a six month journey from Earth to Mars, and see how Newton’s Three Laws of Motion -- 'Newton' referring to English physicist and mathematician Sir Isaac Newton -- can help us understand and p...

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...

The Weather Artist: Chasing Storms With Sculpture

Sculptor Nathalie Miebach translates astronomical, ecological, and meteorological scientific data into twisting woven sculptures full of color and information. Via Great Big Story, she explains: "My method of tran...

Look Inside The Doomsday Vault That Protects Seeds Of The World

On the Norwegian island of Spitsbergen, the Svalbard Global Seed Vault protects around 865,000 seed samples from all over the world. Most of those seeds are of staple crops. "There are nearly 160,000 samples of wheat,...

Stanford’s µTug microrobots can pull a car

Watch six of Stanford's µTug (MicroTug) robots pulling an unmodified 3,900lb (1,800kg) car thanks to special directional adhesive "shoes" and "a very long, very slow, but very steady winching gate." The six microTugs ...

Monarch Butterflies Get Tiny Radio Trackers

How might we better understand the epic multi-generational migration of the monarch butterfly? National Geographic Emerging Explorer Martin Wikelski and monarch butterfly expert Chip Taylor are hoping to learn more ab...

How Does Oakland Turn Food Scraps to Soil?

Though you may not see a compost bin next to the trash and recycling bins where you live, in California's Bay Area, a green bin is the norm. From those green bins, food scraps, yard waste, and the like can be transfor...

How do we know what stars are made of?

How do astronomers know what stars are made of when those stars are light years away from Earth? These demonstrations by Dr Francisco Diego reveal the colors of light that are produced from sodium chloride, rubidium c...

What happens when you put marshmallows in a vacuum?

Thanks to this hand pump vacuum sealer demo, we can see how these four fluffy marshmallows will react when the air is pumped out of their clear container. Poof, poof, poof! What's going on here? From Physics.org: ...

The next generation of Boston Dynamics’ Atlas robot

If you happen to meet a seemingly delightful, untethered robot who is casually rearranging 10 lb boxes in a warehouse space, please don't push it with a hockey stick or knock it over unkindly. This video is only a dem...

A titanosaur in 360° VR with Sir David Attenborough

From the BBC's Attenborough and the Giant Dinosaur, this is a 360 degree virtual reality introduction to the 70-ton dinosaur known as a titanosaur. Grab a smartphone headset, or view it on your phone or desktop. S...

ALMA, a telescope so powerful it can see into the past

There’s a telescope deep in Chile’s Atacama Desert that takes pictures so massive that it requires a supercomputer as powerful as 16 million PCs to decipher the images. This is the Atacama Large Millimeter Array (ALMA...

The Hidden World of Chocolate

You've seen chocolate... but have you seen it under a scanning electron microscope? Johns Hopkins University grad student Jennifer Dailey leads students through a bit of chocolate testing: heating and cooling chocolat...

Explore The Solar System: 360 Degree Interactive Tour

Tour our solar system in a information-packed, beautifully-animated way, with this 360 Degree Interactive Tour from Crash Course, Thought Café, and Crash Course Astronomy host Phil Plait. Grab your Cardboard VR kit, o...

LIGO & The First Observation of Gravitational Waves – CalTech

On September 14, 2015 at 5:51am ET, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected ripples in the fabric of spacetime. One hundred years after Albert Einstein predicted the existence of gravit...

Can you push a spacecraft with light? – Physics Girl

In this episode from Physics Girl, Dianna Cowern explains how space ships can use sunlight to travel the stars in the same way that boats use wind to move across the seas. While solar sail spacecraft design is a more ...

Venus flytraps count to avoid being tricked

If you're a venus flytrap (Dionaea muscipula), how do you know you've got a fly in your midst and not a raindrop? You count. Via ScienceMag: In order to mimic insect prey, the scientists stimulated the hairlike sen...