Fear results from your brain's reaction to a stressful stimulus, and -- though it may be unpleasant -- it plays a crucial role in the life of every human being. But how does it work (and why)? Join Josh and Chuck as they explore the sensation of fear.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

Selects: Birthmarks: Probably Not the Mark of the Devil
49:54

The Stuff You Should Know Doin’ Science Playlist: How Chaos Theory Changed the Universe
55:00

The Stuff You Should Know Doin’ Science Playlist: How Global Warming Works
1:00:10