Why do onions make people cry?
Onion's Tear Trap
Why do onions make people cry?
You slice into an onion and — bam — your eyes start watering like someone just told you the saddest story ever. But the onion isn't sad, and neither are you. So what's going on?
Here's the thing: onions grow underground, and underground is full of hungry creatures — bugs, worms, fungi — all looking for a snack. An onion needs a defense system, something to say "don't eat me." So it invented a chemical weapon.
