<p>This week I learned the CIA spent two decades trying to harness the power of psychics, that vampires are hungry for humans now, that sharks can reproduce without mates, and that the dinosaurs died in frigid darkness.</p>

Ep. 32: This week I learned ancient otters were terrifyingly huge, and more

Your audio guide to the most fascinating and fun revelations, reports, and studies on the internet. Quick, concise, and infectiously entertaining, This Week I Learned promises to make learning fun again.