Venus: Crash Course Astronomy #14

This episode of Crash Course is brought to you by SquareSpace Venus was the Roman goddess of love, and honestly, if you’ve ever seen it after sunset, hanging like a diamond in the twilight, the planet Venus is stunningly beautiful. The only problem? Venus is hell. Venus is the second rock from the Sun, closer […]

Commerce, Agriculture, and Slavery: Crash Course European History #8

Hi I’m John Green and this is Crash Course European History. So, last time, we were focusing on queens and kings and rivalries.Today we’re gonna take a break from struggles over religion and political disputes that made for so much violence and look instead at some basics of everyday life–the foods people ate centuries ago, […]

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 […]

Food Is Weird: Understanding Agriculture in the Developing World

Good Morning Hank, it’s Tuesday. Thank you for my birthday present. Hank, Nerdfighteria got me 174.3 llamas through that will go to families in need. I’m a little concerned about the family that’s going to get the point three llamas, but I think everyone else is going to be delighted. Okay, so I’ve promised […]

The Broccoli Tree: A Parable

Good morning Hank, it’s Tuesday. So imagine you’re a photographer living near the Southern shore of Lake Vättern in Sweden, On your commute to work each day, you pass a tree in a lakeshore park, that looks kind of like a huge stalk of broccoli, and the Broccoli Tree always makes you smile, there’s just […]

Bill Gates and John Green Discuss Agriculture

Bill Gates: If you can help farmers grow a lot more, that’s a fantastic thing. Most of these farmers don’t have very good seeds, and they can’t afford fertilizer, and they don’t get much advice about what to grow and how to grow it. So the upside for African agriculture is it’s possible to triple […]

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, […]

Mythical Trees: Crash Course World Mythology #34

Hey there I’m Mike Rugnetta, this is Crash Course Mythology and today We’re continuing our round-the-world tour of mythical features of the natural world. Today we behold trees and yes technically trees do appear in gardens like the ones in the Garden of Eden but trees have a mythological richness all their own Also they’re […]

The Agricultural Revolution: Crash Course World History #1

Hello, learned and astonishingly attractive pupils. My name is John Green and I want to welcome you to Crash Course World History. Over the next forty weeks together, we will learn how in a mere fifteen thousand years humans went from hunting and gathering… Mr. Green, Mr. Green! Is this gonna be on the test? […]