Bonus Trivia

Why do onions make you cry? 

A fresh onion, when cut, releases a gas called propanethiol-S into the air. When this gas reaches your eyes, it mixes with the water in the eye to form a weak acid. This acid irritates the eye and causes the tear-producing glands to flood the eye with water in an attempt to wash away the irritant. These tears are what makes you look like you’re crying.

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