13 Scariest Theories That'll Make Your Blood Run Cold

Where did we come from? Where are we headed? What is our world? Are we alone in the universe? When the mental gears really start moving, people can come up with theories that are downright terrifying! In this video, you'll learn about 13 of the scariest theories that’ll make you question everything you thought you knew about your reality.

TIMESTAMPS:
The Great Filter 1:28
Higher dimensional beings 2:33
False Vacuum 3:23
We're living in a black hole 4:10
White Holes 4:50
The Multiverse Theory 5:25
Brain in a Vat 6:03
Roko's Basilisk 6:48
The Transcension Hypothesis 7:21
The Terror Management Theory 8:00
The Sixth Mass Extinction 8:35
The Fermi Paradox 9:17
The Simulation Theory 10:00