What Does Hank Think is the Coolest Fact? | Michelle Khare Asks Hank Anything

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