Dark Forest: Should We NOT Contact Aliens?
20:50
What If Humanity Is Among The First Spacefaring Civilizations?
17:44
Does Antimatter Create Anti-Gravity?
41:22
The Dark Forest, Aliens, and a Hostile Galaxy
18:56
How Will We (Most Likely) Discover Alien Life?
16:52
Why Is The World Rushing Back To The Moon?
20:14
What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis
29:30
This Is Why You Can’t Go To Antarctica
21:56