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When you cut into an onion, sulfur compounds are released and react with the water in your eye to create something like sulfuric acid. The mild acid irritates the eye’s nerve cells, stimulating tears that help wash it away.

Why do onions make you cry? | HowStuffWorks

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There you go again crying over the onions. Is there any way to stop it? Read this article to find why onions make your cry.

Why Do Onions Make You Cry? - Chemistry - About.com

chemistry.about.com/od/chemistryfaqs/f/onionscry.htm

Find out why you cry when you cut onions and how you can keep it from happening.

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May 25, 2015 ... Have you ever chopped and onion, and you couldn't stop yourself from crying? Why does chopping an onion make you tear up? Get 15% off ...

Why does chopping an onion make you cry? (Everyday Mysteries ...

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Onions produce the chemical irritant known as syn-propanethial-S-oxide. ... Why Do Onions Make You Cry - The short video from the American Chemical ...

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Jun 7, 2016 ... Subscribe! http://bit.ly/ACSReactions Common in cuisine all around the globe, onions are renowned for their ability to make us all look like cry ...

Why Do Onions Make You Cry? | Britannica.com

www.britannica.com/demystified/why-do-onions-make-you-cry

Jun 15, 2016 ... You're happily chopping onions for your dinner when BAM! Your eyes are stinging, and tears are running down your face. Maybe the burning ...

How to Chop Onions Without Tears: 13 Steps (with Pictures)

www.wikihow.com/Chop-Onions-Without-Tears

Why do onions make you cry, and how can you prevent it from happening? They' re made up of a tunic of outer leaves (the brown layer), scales (the white firm ...

Why Does Cutting Up An Onion Make You Cry? | IFLScience

www.iflscience.com/chemistry/why-does-cutting-up-an-onion-make-you-cry/

Jun 9, 2016 ... Why is it that onions make you cry when you begin to mercilessly dissect them? It's fairly unlikely that it's because you've formed an emotional ...

Why Do Onions Make Us Cry? : The Salt : NPR

www.npr.org/sections/thesalt/2016/06/22/482032913/the-science-of-why-onions-make-us-cry

Jun 22, 2016 ... The Science Of Why Onions Make Us Cry ... When you bite or cut into an onion, these enzyme-filled blobs break open, releasing their contents, ...