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"biology"1 articles archived since 1845

Why Do Onions Make Us Cry?

Anyone that's chopped into an onion is familiar with the noxious fumes and irritating pain induced by an otherwise delicious vegetable. Scientific American editor Ferris Jabr explains how this bulbous member of the Allium genus can bring us to tears.

Video credits: edited by Kathryn Free, produced by Eric R. Olson

February 21, 2014

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