Topic: science

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Deep in the caves with Homo Naledi & the Rising Star Expedition

More than 1,500 individual bones and teeth of at least 15 skeletons of Homo naledi were excavated by an all-woman "underground astronaut" team during the 2013/14 Rising Star Expedition. Homo naledi is a new species in...

The 2014 Stone Skipping World Record – Kurt Steiner’s 88 skips

On September 6, 2013 in Pennsylvania's Allegheny National Forest, Kurt Steiner achieved the Guinness World Record for "the most consecutive skips of a stone on water" when his skipping stone touched the water 88 times...

The 550,000 miles of undersea cables that power the internet

A planetary system of undersea cables stretches across oceans, seas, and around continents... 550,000 miles (885,139.2 kilometers) of fiber optic communications cables that power the internet and more. The first was l...

The Tea Twister – The science behind Teh Tarik (pulled tea)

Remember the Teh Tarik vendor spinning and pouring tea in Bangkok? What's going on with the tea as it spins and falls from one cup to the other? How do they do that? Teh Tarik (pulled tea) is black tea with either ...

Rock Swing Cup & more DIY playground physics

Next time you're on the swings, think about what it might be like if you were swinging on the moon, free from air resistance. AP Physics teacher Jared Keester had that in mind during this experiment: Swing jumping wit...

How Do Sharks and Rays Use Electricity to Find Hidden Prey?

Imagine if you had six traditional senses instead of five: Sound, sight, touch, smell, taste and... What might you pick? Echolocation? Magnetoreception? How about electroreception? Sharks, rays, skates and sawfish...

How smart are dolphins?

Dolphins are well-known for being intelligent creatures... In fact, they're one of the smartest species on the planet. These cetaceans can communicate, cooperate, empathize, understand language, pass along their knowl...

3D printing with 1900F molten glass – G3DP at MIT

Optically transparent glass printing. A brand new glass 3D printing process called G3DP has been developed through the teamwork of the Mediated Matter group at the MIT Media Lab, MIT's Mechanical Engineering Departmen...

How to Make a Cloud in Your Mouth – Physics Girl

To make a cloud in your mouth -- yes, this is a very cool trick that actually works with practice -- you'll need to make tiny water droplets in your mouth. Then up the pressure. Physics Girl Dianna Cowern demonstrates...

Why Warm Blood is Better Than Cold – Rise of the Mammals

What does a tiny Hadrocodium wui fossil tell us about the evolutionary advantages that mammals were developing before the Cretaceous–Paleogene mass extinction event that finished off the dinosaurs 65 million years ago...

The Unlikely Tale of a Tenacious Snail – Science Friday

Not seen or collected for science since 1933, the oblong rocksnail of Alabama's Cahaba River was declared extinct in 2000. In 2011, biology grad student Nathan Whelan took a second look at a tiny rock he had picked up...

The Story of Light – Future Impossible by Bell Labs

This story begins with one little text message from New York to Shanghai, a trip that takes just 1/20th of a second. "That's the time it takes light to traverse 10,000 kilometers." And that's what happens millions and...

A New Horizons Pluto-Charon flyby simulation

Watch this beautifully rendered animation of the historic New Horizons Pluto flyby on July 14, 2015. From software engineer and "advanced amateur planetary image processor" Björn Jónsson: The time covered is 09:35...

Chameleons are Amazing – National Geographic

We've enjoyed quite a few chameleon videos, but this National Geographic video is not only full of fascinating information, it's visually stunning. From how they shoot their tongues like arrows to catch bugs, to how t...

Home Sweet Habitat & Food Webs – Crash Course Kids

Why isn't a polar bear happy in the desert? Why aren't spider monkeys essential in the Arctic? In this episode of Crash Course Kids, Sabrina Cruz explains how habitats provide animals with the air, food, water, shelte...

What is Fire? – It’s Okay to Be Smart

That glowing light, those information-filled colors, that smoke and vapor that seems to magically light warm embers... What kind of physics and chemistry are at work inside of a flame? Joe Hanson from It's Okay to Be ...

This blue masked peacock spider is tiny & adorable

Behold Western Australia's Maratus personatus, a tiny, blue-masked, zebra-striped, male peacock spider that is one of a diverse and rather adorable spider family. From peacock spider enthusiast Jürgen Otto: To the...

Longhorn ‘Crazy Ants’ work erratically/cooperatively to carry loads

You never know where the inspiration to learn might come from. Take, for example, cat food pieces that appeared to "float" away from a cat's bowl... When scientist Ehud Fonio saw that longhorn 'crazy ants' -- know...