The B Broadcast: Bees, Beans, Bears, and Butterflies. May 19, 2023, Part 2
![](https://media.wnyc.org/i/800/0/l/85/2023/05/butterfly-tree.jpg)
Using the largest butterfly tree of life ever created, scientists have determined where the first butterflies originated and which plants they relied on for food.
( Florida Museum photo by Kristen Grace and phylogeny by Hillis, Zwickl, and Gutell )
( Florida Museum photo by Kristen Grace and phylogeny by Hillis, Zwickl, and Gutell )
Hosted by Ira Flatow
Produced by Science Friday and WNYC Studios