Ep. 36: This week I learned why we're all suckers for the good cop/bad cop routine, and more
![This Week I Learned show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/068/514/small/this-week-i-learned.jpg)
Summary: The emotional seesaw phenomenon | Fatherhood hormones | How fish "talk" | Introducing: Zealandia!
Summary: The emotional seesaw phenomenon | Fatherhood hormones | How fish "talk" | Introducing: Zealandia!