On April 11th, a large solar flare erupted-- not as big as an X-class flare, but the most powerful so far of 2013. NASA's Solar Dynamics Observatory captured the event in detail (pictured). More at Space.com.
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.