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.
The first close-up images of the asteroid Vesta are being sent back by NASA's spacecraft, Dawn. The asteroid at 330 miles across, is so large, that many astronomers classify it as a "protoplanet." More at Space.com.