<p>This week I learned that businessmen could fly in men-only flights, that the look of disgust has evolutionary value,  about a new species of shrimp that kills its prey with sound, and why two lions went on a human-eating spree more than 100 years ago.</p>

Ep. 45: This week I learned female dragonflies will fake death to avoid male suitors, 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.