Why Are We Here? - S1.E2 - What We Still Don't Know
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’.
Why Are We Here? - S1.E2 - What We Still Don't Know
January 1, 2004
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