Instructional Video16:27
Be Smart

What’s Inside the Oldest Rocks in the World?

12th - Higher Ed
The oldest rocks on Earth are more than just ancient—they’re time machines, holding clues to Earth’s missing history and revealing what happened in the unknown times after the Big Bang. We’ll work with our Adam and Joss from Howtown to...
Instructional Video10:18
PBS

Where Did Water Come From?

12th - Higher Ed
Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun.
Instructional Video6:23
SciShow

There’s A New Tyrannosaurus in Town

12th - Higher Ed
The Tyrannosaurus genus might have been more diverse than we thought. And researchers show how the composition of the early Earth could have accelerated its move towards habitability.
Instructional Video4:36
SciShow

How the Oldest Rocks on Earth Changed History

12th - Higher Ed
Scientists have uncovered the oldest rocks from Earth, and they're shaking up what we knew about Earth's history.
Instructional Video10:40
Professor Dave Explains

History of the Earth Part 1: Hadean, Archean, and Proterozoic Eons

12th - Higher Ed
If we are going to learn about the Earth, we had better start from the beginning! The Hadean, Archean, and Proterozoic eons will take us all the way from the formation of the Earth, 4.6 billion years ago, until about half a billion years...