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Video: Why do onions make you cry?
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Common in cuisine all around the globe, onions are renowned for their ability to make us all look like cry babies. In Reactions' latest video, we get to the bottom of this teary phenomenon and reveal exactly what chemical mechanisms trigger it.
The video also features a few chemistry-backed tips you can try at home to stop the tears before they start.
Watch it here:
Provided by American Chemical Society