21:34
The Final Barrier to (Nearly) Infinite Energy
20:50
What If Humanity Is Among The First Spacefaring Civilizations?
24:52
The Most Useful Thing AI Has Done
14:39
Why Being Open-Minded Is Ruining Your Life
20:57
Are there Undiscovered Elements Beyond The Periodic Table?
21:15
The REAL Possibility of Mapping Alien Planets!
16:48
What If Black Holes ARE Dark Energy?
21:40