Bringing Back the Lost American Chestnut Tree

[ ♪INTRO ] Picture a forest full of gigantic trees soaring 30 meters into the sky with five-meter wide trunks. You probably envisioned something like the giant sequoias and redwoods that grow on the western coast of the United States. But a little over a century ago, the east coast of America was also home […]

This Binge-drinking Tree Shrew Could Probably Outdrink You

This episode is supported by NordVPN. Right now, NordVPN is offering SciShow viewers a chance to set up your own Virtual Private Network and start protecting your internet experience with 77% off a 3-year plan. Use the code “SCISHOW” at [♩INTRO] Humans are far from the only animals that drink booze. But, like us, […]

Why Do Humans Like to Get High?

This episode of SciShow is sponsored by Brilliant. Go to to learn more. {♫Intro♫} There are all kinds of anecdotal cases of animals getting stoned or tipsy—like, the ones we talked about in our list show of high animals. But as we noted for the dolphins getting high on pufferfish or the elephants having […]

Agriculture May Have Changed How People Speak | SciShow News

Thank you to Brilliant for sponsoring this whole week of SciShow! [ ♪ Intro ] Humans have been talking to each other for hundreds of thousands of years. And for the most part, researchers have assumed we’ve all been making the same basic sounds, no matter what language we’re speaking. We’re all working with the […]

How Sloths Went From the Seas to the Trees

8 million years ago, off the coast of Peru, a large mammal used its powerful claws to pull itself along the ocean floor, holding fast against the waves as it foraged for seagrass. 5 million years ago, a similar creature was burrowing underground in Argentina, digging burrows so massive that you could walk right into […]

Into the Forest with Jane Goodall!

♪ Wow, Squeaks, I’m so glad you like your present! Do you have a name for her yet? [Squeaks squeaks] Our friend Dino the cuckoo bird sent Squeaks this toy chimpanzee the other day. Chimps are a type of animal called a great ape, and they live in Africa. Dino said this stuffed animal was […]

Terrific Trees: A SciShow #TeamTrees Compilation

Hey everybody, got a special video for you today. I, you may not know this, love trees they’re tall and they’re skinny just like me and they do so much for us from making oxygen so we can breathe to cooling urban environments with their shade the literally holding the ground together to prevent erosion […]

Why Do We Keep Planting Trees That Smell Like Semen?

It’s a gorgeous day outside. The sun is shining, the city streets are lined with leafy, flowering trees. it’s a perfect day for a morning jog, you take a step out your front door, take a deep breath of that fresh morning air. Which is when you start gagging because you just inhaled a lungful […]

What’s The Oldest Tree in the World?

What is the oldest tree in the world? Well, when you start talking about the oldest or biggest, or almost any other superlative in nature, you’re unlikely to find a cut and dry answer. There are, in fact, 2 contenders for oldest tree and it depends on how you define the term. The oldest known […]

Your Place in the Primate Family Tree

Hey there, Kallie here to remind you that Eons has some cool stickers for sale over at, link in the description. Thanks for watching and, on with the show. Would you recognize your earliest primate ancestor if you met it face to face? What if it didn’t look like a monkey, or an ape, […]