Up Next
Back to Show
It's Okay to Be Smart
Using Gene Editing To Repaint Butterfly Wings
Season 7
Episode 13
Butterfly metamorphosis is still a bit of a mystery. What happens inside a chrysalis to turn a caterpillar into a beautifully painted butterfly? Does it really turn to soup? Joe Hanson visited Dr. Arnaud Martin, who uses the CRISPR genetic modification technology to learn about how genes build bodies.