It's a double whammy of intriguing space images! A mysterious glowing aurora over Saturn's polar region (pictured) was recently discovered by Cassini's infrared instruments. Meanwhile, the first images of exoplanets have been pulled in by Hubble.
Freelance journalist Zoe Cormier, a science writer and photographer with a background in biology, joined George Knapp in the first half to discuss her new book Sex, Drugs and Rock 'n’ Roll: The Science of Hedonism.
In the later half, David Browne, longtime music journalist and contributing editor at Rolling Stone, delved into the Grateful Dead, the band that became a musical and cultural phenomenon that has spanned generations.