Tag «Hank Green»

The New Astronomy: Crash Course History of Science #13

The New Astronomy: Crash Course History of Science #13

Heliocentrism was central to revolution in European astronomy. We’ll follow this idea to its conclusion with Galileo. But before we get there, there are two critical links between Copernicus and Galileo. This is the story of Tycho Brahe and Johannes Kepler… and a violent math duel. [INTRO MUSIC PLAYS] There are a lot of quirky …

That Time the Mediterranean Sea Disappeared

That Time the Mediterranean Sea Disappeared

In 2011, paleontologists working on the Spanish island of Minorca announced the discovery of some very odd fossils. They were the bones of a rabbit, but it wasn’t like any rabbit you’ve ever seen. For one thing, this bunny was a giant, up to six times heavier than your average cottontail. It also had short …

Medieval China: Crash Course History of Science #8

Medieval China: Crash Course History of Science #8

Look at this map of China and tell me if, from what we’ve learned so far, you can tell me about the Chinese civilization. Yep, rivers, big ones… and from them ran the bureaucracy and technology necessary for controlling water. Like Egypt, Sumer, and Mesoamerica, ancient China represents a hydraulic civilization—one that maintained its population …

The Brightest, Biggest Space News of 2019!

The Brightest, Biggest Space News of 2019!

[♪ INTRO] 2019 is almost over, and it has been another really good year for exploring the universe. I mean we took the first ever picture of a black hole, landed our first robot on the far side of the Moon, and explored our farthest-yet object in the solar system. But some discoveries were even …