The Curiosity Desk

First, Mary Cate Colapietro from ISO New England quizzes Edgar on “the grid” and how it actually supplies our electricity.

Then, we meet Norwegian ​researcher Tore Slagsvold for a conversation about why male ​pied flycatchers will subtly change their song when they’ve been cheating on their mates.

Lastly, Dr. Vincent Martin from the University of Cincinnati explains why we get migrants ahead of inclement weather.