Episode

Stuff To Blow Your Mind

HowStuffWorks.com

Science & Medicine, Natural Sciences, Society & Culture

Chart Positions

Natural Sciences 3
Science & Medicine 10

Deep in the back of your mind, you’ve always had the feeling that there’s something strange about reality. There is. Join Robert, Joe and Christian as they examine neurological quandaries, cosmic mysteries, evolutionary marvels and our transhuman future on Stuff To Blow Your Mind, a podcast from HowStuffWorks.com.

Walls

May 8th, 2012

Episode 250 of 776 episodes

Civilizations surround themselves in walls. They raise walls against enemies, against the environment and against the spirit world. In this episode, Robert and Julie examine walls, from Ming Dynasty battlements to the galactic borders of our universe.

Featured Podcast

Listen