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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

recipes.howstuffworks.com/question539.htm

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? - About Chemistry

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.

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

www.loc.gov/rr/scitech/mysteries/onion.html

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

www.ask.com/youtube?q=Why Do Onions Make You Cry?&v=ERtlCbByqVg
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 Do Onions Make You Cry? | Wonderopolis

wonderopolis.org/wonder/why-do-onions-make-us-cry

Slice into an onion and, within a few seconds, your eyes begin to feel the burn. How does such a little veggie pack such a big punch? There are three types of ...

www.ask.com/youtube?q=Why Do Onions Make You Cry?&v=RaZpPwmWZ7Q
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 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, ...

Why do onions make you cry? Scientists explain all in amazing ...

www.mirror.co.uk/science/onions-make-you-cry-scientists-8139079

Jun 8, 2016 ... Chopping onions can leave experienced chefs in tears, and despite old wives' tales to stop your eyes streaming, the reason why you cry is one ...

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 ...