How a Hot Planet Created the World’s Biggest Snake

About 59 million years ago, the rainforest of Colombia was full of giants. It wasn’t long after the extinction that ended the reign of the non-avian dinosaurs, and the fauna in this part of South America were already starting to get big again. In this lush, swampy ecosystem, there were Continue Reading

Why Male Mammoths Lost the Game (w/ TierZoo!)

Hey everyone, we have an exciting announcement! Just in time for the holidays, you can now get your own cozy, Eons socks! Now you can stay warm while showcasing the layers of rock and fossils that help reveal the history of life on Earth. Get yours at!! About 140,000 Continue Reading

The Secret Language of Elephants

This episode of SciShow is sponsored by Brilliant! Go to to learn more. [♪ INTRO] In 1984, biologist Katharine Payne spent a week observing elephants at a zoo in Oregon, and she noticed something strange. Every now and then, she could feel what she described as a faint throbbing Continue Reading

Octopuses Are Ridiculously Smart

Did you hear about the octopus that slipped out of its tank, into a drainpipe, and made a break for the sea? Or what about the cephalopod that figured out how to open those child-proof pill bottles? Which, let’s be honest, even adult humans have trouble with those sometimes. It’s Continue Reading

How Was the Grand Canyon Formed?

[MUSIC] Pretty awesome, isn’t it? The Grand Canyon is one of the most spectacular natural wonders on Earth, 277 miles long, 18 miles wide at its widest, and more than a mile deep into the Earth’s crust… and unlike the Great Wall of China, you can actually see it from Continue Reading