Carl Sagan - Cosmos - Democritus
4:14
Carl Sagan Predicted The Mess 2021 Would Be 25 years Ago
2:42
Carl Sagan - Cosmos- Stars - We Are Their Children
4:12
Symphony of Science - 'We Are All Connected' (ft. Sagan, Feynman, deGrasse Tyson & Bill Nye)
9:24
The true story behind Carl Sagan’s cult classic, Contact | Jill Tarter for Big Think
11:13
Leonard Susskind - Must the Universe Contain Consciousness?
12:34
HEGEL, explicado por ESCOHOTADO
20:16
Demócrito y el atomismo antiguo
16:43