Video: Why do onions make you cry?

Why do onions make you cry? (video)
Credit: The American Chemical Society

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:

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Citation: Video: Why do onions make you cry? (2016, June 7) retrieved 18 October 2019 from
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