What's The Fewest People That Could Repopulate Earth?

YOUTUBE · PHYSICS

If nuclear blasts, asteroids, or alien lasers killed off almost all humans on Earth, how many people would be needed to rebuild a genetically sustainable human population? LEARN MORE ************** To learn more about th

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YOUTUBE · CRAZY MOMENTS

Unbelievable Dashcam & Extreme Luck Moments

Viral global compilation of mind-bending luck and unbelievable near-miss moments.

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YOUTUBE · BUSHCRAFT

Building a Log Cabin From Scratch

Silent bushcraft: one person, hand tools and a forest, from first tree to finished cabin.

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YOUTUBE · ART & CRAFT

Extreme Origami — One Sheet, No Cuts

Masterpieces folded from a single square of paper without a single cut.

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YOUTUBE · ENGINEERING

How a Mechanical Watch Works

A mesmerizing 3D animation showing exactly how gears keep perfect time without batteries.

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YOUTUBE · VIRAL VIDEO

History of the Entire World, I Guess

Bill Wurtz takes you on a fast-paced 20-minute musical journey of cosmic history.

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YOUTUBE · CLASSIC

Powers of Ten (1977)

From a picnic blanket to the edge of the universe and down into a single atom.

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