What about darkness is so unsettling? Find out about the most extreme instances of an absence of light and how it works on our bodies. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

What's in a witches' brew?

Deep in the back of your mind, you’ve always had the feeling that there’s something strange about reality. There is. Join Robert Lamb and Joe McCormick as they examine neurological quandaries, cosmic mysteries, evolutionary marvels and our transhuman future.