You know when you see an otherwise cute and perfect dog with his nose just straight up buried in another dog’s behind, and you’re just like, seriously, dude, why?
This new video from the American Chemical Society explains the science behind this seemingly peculiar behavior — and why the smell doesn’t overwhelm them.
More Must-Reads from TIME
- Why Biden Dropped Out
- Ukraine’s Plan to Survive Trump
- The Rise of a New Kind of Parenting Guru
- The Chaos and Commotion of the RNC in Photos
- Why We All Have a Stake in Twisters’ Success
- 8 Eating Habits That Actually Improve Your Sleep
- Welcome to the Noah Lyles Olympics
- Get Our Paris Olympics Newsletter in Your Inbox
Contact us at letters@time.com