What We Still Don't Know — Season 1, Episode 2: Why Are We Here?
Documentary • 50 min • 1 season, 3 episodes
Episode synopsis
Everything you thought you knew about the universe is wrong. It’s made of atoms, right? Wrong. Atoms only account for a measly 15% of everything that exists. The mass of the universe consists of something so mysterious and elusive that it has been dubbed ‘dark matter’.
About What We Still Don't Know
Thought provoking Channel 4 series in which Sir Martin Rees investigates the great unanswered questions of science.