From Complexly.

Michelle Khare joins Hank to ask him about homing pigeons, knocker-uppers, and why our days are getting longer.

Check out Challenge Accepted: ‪https://youtube.com/michellekhare

00:00 Introduction
00:54 How did they train carrier pigeons?
15:46 How does soap know what’s bacteria versus human cells?
21:47 How did people wake up or show up on time before alarm clocks?
28:35 What do you, Hank Green, think is the coolest fact?

New episodes premiere the last Wednesday of each month at https://youtube.com/complexly

Ask Hank Anything is a new show where our celebrity guests ask Hank Green questions, he does his best to answer them, and they learn a little bit about each other in the process.

Follow us:
Complexly newsletter: https://complexly.com
Instagram: https://www.instagram.com/complexlymedia/
Bluesky: https://bsky.app/profile/complexly.bsky.social
X: https://x.com/complexlymedia
Facebook: https://www.facebook.com/ComplexlyMedia/

#michellekhare #hankgreen #complexly