Learn History of Earth for Free
The best videos, books, apps, and other learning resources our members recommend:
Earth geological and climatic history
8th - College | Online classIs it a coincidence that Africa and South America could fit like puzzle pieces? Why do earthquakes happen where they do? What about volcanoes and mountains? Are all of these ideas linked? Yes, they...
Life on earth and in the universe
High School - College | Online classEarth is over 4.5 billion years old. How do we know this? When did life first emerge? From the dawn of Earth as a planet to the first primitive life forms to our “modern” species, this tutorial is...