Playlist

What is deep time?

Meander through Earth's lengthy timeline with these talks that go way, way back to the beginning of everything (as we know it so far, that is).

Liz Hajek

What rivers can tell us about the earth's history

Wendy Freedman

This telescope might show us the beginning of the universe

Dave Brain

What a planet needs to sustain life

Prosanta Chakrabarty

Clues to prehistoric times, found in blind cavefish

Kenneth Lacovara

Hunting for dinosaurs showed me our place in the universe

George Smoot

The design of the universe

Honor Harger

A history of the universe in sound

David Christian

The history of our world in 18 minutes