MinuteEarth

How devastating is the world’s largest nuclear weapon? Stephen Fry explains.

Thanks to spotted hyenas’ unusual social structure, males experience a tough life of solitude, harassment, and deprivation.

Sometimes, it makes sense for critters across the animal kingdom to chow down on their own young. If you enjoyed this video, you might want to check out this one by Jesse Agar: Why kill a baby?

Most human parents-to-be assume that the sex of their child comes down to a flip of the chromosomal coin, with an equal chance of having a boy or girl.

We're now on Patreon! Please support us at: patreon.com/minuteearth Can you find an oxbow lake in GoogleEarth?

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Earth didn't have water when it formed, but it does now! How did it get wet?

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Nipah. Hendra. Ebola. Marburg. SARS. All of these nasty pathogens have surfaced in humans in just the last 50 years, and they are all carried by bats.

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Rotting meat is host to some of the world's most lethal toxins...and yet some animals regularly stomach the stuff without getting sick. Here's how they do it.

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It's easy to assume that every trait - including stubby arms on a terrifying predator - must be beneficial, but the forces of evolution don't really work like that.

Watch the new season of MinuteBody - and get access to both CuriosityStream and Nebula - at curiositystream.com/minuteearth Way more kids have fuzzy vision these days because we spend less

Herein we explain that birds do not hibernate in lakes, do not migrate to the moon, but DO go on very unique journeys, which we humans have learned about in a variety of ingenious manners.

Check out Extra Credits' video: The Origin of Dragons youtube.com/watch?v=rL8qSfXIo4M We ranked dragons based on how biologically and evolutionarily plausible they are.

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Sand, whether you use it for building sand castles, telling time with an hourglass, or hydraulic fracturing, is pretty much the same just about anywhere you go -- an uncountable number of tiny

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Most dog-owners say companionship is the number one reason to have a cuddly, devoted tail-wagger, and some people also have dogs for assistance or protection. And they’re so cute!

Monogamy isn’t that popular in the animal kingdom, and it turns out that even "love birds" are often cheaters.

In 1959, the Soviet spaceship Luna 3 beamed back images of something Earthlings had never seen before: the far side of the moon. CREDITS ********* Emily Elert | Script Writer Henry Reich |

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Watch the new season of MinuteBody - and get access to both CuriosityStream and Nebula - at curiositystream.com/minuteearth.

Learn more about quokkas over on Animalogic: bit.ly/2MWz9pa Animals eat their own poop in order to gain extra access to nutrients or to microbes that help digest those nutrients.

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In the animal kingdom, sex often involves more conflict than cooperation. The struggle between males and females leads to a host of weird adaptations, from chastity belts to anti-aphrodisiacs.

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Female hyenas don't have penises, but it sure looks like they do - and we still aren't quite sure why.