Scientists believe that 99% of the estimated 50 billion species that have ever lived on Earth have disappeared through extinction. This is a natural process typically, but it can also be cataclysmic and it's becoming clear we are amid a massive one. Find out more with Josh and Chuck in this classic episode.

Short Stuff: The Voice of God
14:40

You Are Not Alone With Postpartum Depression
46:23

Selects: The First Road Trip
49:51