Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood. https://drkarl.com/
http://shirtloadsofscience.libsyn.com/podcast
episode 48: Martian Bath Rings with Dr Adrian Brown from NASA (364)
Salts prove Mars once had water. The rings tell us more about how and when this happened. Also the story of the lost chopper and how they found it. Dr Karl with firsthand accounts from Percy's driver.
Adrian Brown
Dr Karl