Is There A Basic Answer To The Fermi Paradox?

Use code PBS to get 15% off all Hoverpens and free shipping to most countries for the first 48 hours, 10% off after that. North America / UK / Australia / International: https://bit.ly/pbs_novium

EU: https://bit.ly/pbs_noviumeu

Around 2 billion years ago, life had plateaued in complexity, ruined the atmosphere, and was on the verge of self-annihilation. But then something strange and potentially extremely lucky happened that enabled endless new evolutionary paths. The first eukaryote cell was born. This may also explain why there are no aliens.

Patreon Interview with Dr. Matt Caplan

https://youtu.be/hN1I01ZGzJc?feature=shared

Cool World Episode:

https://youtu.be/6QZc9vUXWlk?feature=shared

Sign Up on Patreon to get access to the Space Time Discord!

https://www.patreon.com/pbsspacetime

Check out the Space Time Merch Store

https://www.pbsspacetime.com/shop

Sign up for the mailing list to get episode notifications and hear special announcements!