Neil deGrasse Tyson Explains Oxygen
18:00
Neil deGrasse Tyson Explains Wind Chill Factor and More
16:39
What Makes A Collision Lethal? | Neil deGrasse Tyson Explains...
18:33
Neil deGrasse Tyson on "Interstellar"
15:01
Neil deGrasse Tyson Explains The North Star
24:42
Neil deGrasse Tyson Explains Thermodynamics of Water
17:33
I don't believe the 2nd law of thermodynamics. (The most uplifting video I'll ever make.)
1:03:29
Prof. Harald Lesch: The Climate: The State of Things
14:12