<p>This week I learned how the sweet, sweet love between salmon changes landscapes, that you shouldn't fear the wandering mind, that we're born with a fear of spiders, and that a broken heart is a medical condition.</p>
<p>Read more about the facts in this episode by visiting TheWeek.com/Podcasts.</p>

Ep. 72: This week I learned plants can smell predators coming, 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.