Pluto Flyby (start time 1:00): Joel Parker discusses the New Horizons mission from the command center live!
Case of the Rickety Cossack (start time 25:00): Beth Bennett talks to Ian Tattersall about his new book, a fascinating précis of the study of human evolution and some startling new findings showing that our species is one of many hominids in which natural selection mixed and matched various characteristics and abilities.
Host: Beth Bennett
Show Producer: Beth Bennett
Board Engineer: Maeve Conran
Executive Producer: Susan Moran
Additional Contributions: Susan Moran
Listen to the show here: