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Why are your fingerprints unique?

It's said that no two fingerprints are the same. Is that true? How did your fingerprints form and why are they unique? This Minute Earth video explores fingerprint science. Learn how loop, whorl, and arch shapes form ...

Reverse engineering the locomotion of a prehistoric reptile ancestor

You can tell a lot about an animal from the way it moves, which is why scientists have been recreating the movements of an extinct crocodile-like creature called Orobates pabsti. Orobates lived well before the time of...

4 levels of brownies, from amateur to food scientist

There are dozens upon dozens of recipes for seemingly straightforward things like chocolate chip cookies or apple pie, with different ingredients, different measurements, different bake times and temperatures. How do ...

Don’t extinguish a metal fire with water

How do you extinguish burning magnesium? In this video from the Royal Institution, science presenter Steve Mould demonstrates what happens when you try to extinguish a metal fire with a CO2 fire extinguisher or water—...

The turret spider’s camouflaged towers

Mud, moss, bark, leaves, and other forest materials cover the towers made by California turret spiders, camouflaging these unusual lairs. Inside, the towers are lined with white silk and can extend six inches down int...

Why do geese fly in V formation?

Why do geese fly in a V formation? In this episode of World By Charlie, our friend Charlie Engelman observes some origami geese to better understand how the vortices of air behind their wings shape their signature V-f...

The Sphere-Packing Problem

The next time you're eating candy, ask yourself: "What's the best way to stack this?" Then start arranging them to find out. The answer to this question can be found in the shape of the candy. In this University of...

What are mosasaurs?

Travel back to the Cretaceous period, where large marine lizards called mosasaurs dominated ecosystems around the planet. While some were the size of a dolphin, others were longer than a Tyrannosaurus rex. How did the...

Portrait, a solo by Michaela DePrince

World-renowned ballet dancer Michaela DePrince performs Portrait, a solo piece choreographed by Peter Leung, with music composed by Nico Muhly. It was filmed by Middle Table. Born in Sierra Leone, DePrince lost he...

Sound sculpture installations by Zimoun

With motors, cardboard, wires, sticks, wood, crumpled paper, packing peanuts, fans, and other materials, Bern, Switzerland-based artist Zimoun creates large-scale sound sculpture installations that vibrate and hum. Th...

Feeding Rothschild’s giraffes

Get an up-close look at the tallest animals on the planet: Giraffes. In this episode of Are We There Yet? from National Geographic Kids, program educator Daniel gives siblings Rosie and Julian a tour of the Giraffe Ce...

How is duct tape made?

What is duct tape and why is it so strong? And is it duct tape or duck tape? From Insider, go inside a busy factory to see how layers of rubber for adhesive, a cotton cloth middle, and a backing made from polyethylene...

What is the Circular Economy?

What if, when we make something new, we also consider how it can be unmade when it's no longer of use? Can the materials be separated and repurposed? Can some or all of it biodegrade? How do we keep it from polluting ...

The World Below: Stunning footage from the International Space Station

Spend six awe-inspiring minutes in orbit above planet Earth. This stunning edit by photographer and videographer Bruce W. Berry Jr. uses 4K video and time-lapse footage captured by astronauts on the International Spac...

The Spanish City of Swords: Toledo

Toledo, an ancient walled city in central Spain, has been the center of sword making for thousands of years. The city’s weaponry history dates back to the Roman Empire, when emperors took a liking to the blades crafte...

The Multiplying Rabbits Riddle

After years of experiments, you’ve finally created the pets of the future – nano-rabbits! They’re tiny, they’re fuzzy ... and they multiply faster than the eye can see. But a rival lab has sabotaged you, threatening t...

The RollKa stunt machine

YouTuber Master Milo turns an old Ford Ka into a rolling, spinning, amusement park ride-like "diwheel" he calls "the RollKa." Master Milo took an otherwise lackluster economy car, chopped it in half, and mated it to t...

Making lava bombs with ‘homemade’ magma

Hot lava + cold water = the potential for lava bombs, flying molten rock balls. For scientists who study the dynamics of this violent combination, it's much safer to set up controlled experiments than to study it in H...

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