3:10
We Humans Are Capable Of Greatness
SagansCosmos
6:24
10 Years After: Carl Sagan And Ann Druyan Reflect
4:55
Lost Between Immensity And Eternity
6:40
Realm Of The Galaxies
8:07
The Milky Way Galaxy
6:41
Our Solar System
7:59
Eratosthenes And The Round Earth Model
10:59
The Ancient Library Of Alexandria
5:49
A Short History Of The Universe
9:26
Artificial And Natural Selection
9:27
The Cosmic Calendar
8:01
Tree Of Life - 4 Billion Years Of Evolution
5:54
The Miracle Of Life
9:18
The Language Of Life
6:39
Abiogenesis: The Origin Of Life
10:57
Astronomy vs Astrology
4:37
Pictures In The Sky
8:58
Ancient Astronomy
Triumph Of Modern Science Over Medieval Superstition
FFreeThinker
9:50
The Mysterious Tunguska Event
