Be Smart
100,000,000 Years From Now
Holocene, Pleistocene, Pliocene, Miocene, Oligocene, Eocene, Paleocene ... wait, did I miss one? PBS Digital Studios explains how human impact on Earth has potentially brought about a new epoch in geologic history, the Anthropocene. The...
Curated OER
Structure of the Earth
Salman Khan goes into detail about the layers of the Earth. He provides names and general numbers about depths and composition.
Crash Course
The History of Life on Earth
The first life on Earth developed in the oceans. As an introduction to ecology, the video starts with the formation of the earth. It follows with the Archaean and Proterozoic Eons including protobionts, prokaryotes, and eukaryotes. It...