WATCH: The Sixth Extinction - this time, we're the asteroid
Thursday, November 20, 2014 - 16:31
in Paleontology & Archaeology
A whopping 98 percent of the species that have ever lived on Earth are now extinct, thanks to five mass extinction events that occurred hundreds of millions of years ago. We’re now in the middle of a sixth mass extinction, and this time, says Joe Hanson in the latest episode of It’s Okay To Be Smart, we’re the asteroid.