Why do onions make you cry?

<p>Chemistree Holiday Sweatshirt Available Now! <a href="http://chemforyourlife.com/store">chemforyourlife.com/store</a></p><p>- - - - - - - - - - -</p><br><p><strong>#016 Rebroadcast<br></strong><br></p><p>This week Melissa and Jam explore the chemistry of onion tears, the emotional reaction we all have, against our will, when cutting onions. Grab some tissues, this one's gonna burn.</p><p><strong>References from this episode</strong></p><ol> <li> <a href="https://pubs.acs.org/doi/abs/10.1021/jf60174a009">https://pubs.acs.org/doi/abs/10.1021/jf60174a009</a>  </li> <li><a href="https://pubs.acs.org/doi/pdf/10.1021/acschembio.7b00336">https://pubs.acs.org/doi/pdf/10.1021/acschembio.7b00336</a></li> <li> <a href="https://www.nature.com/articles/419685a">https://www.nature.com/articles/419685a</a>  </li> <li><a href="https://www.nytimes.com/2017/09/05/science/onions-crying-chemicals.html">https://www.nytimes.com/2017/09/05/science/onions-crying-chemicals.html</a></li> <li><a href="http://www.chm.bris.ac.uk/motm/pso/psov.htm">http://www.chm.bris.ac.uk/motm/pso/psov.htm</a></li> <li><a href="https://www.sciencedaily.com/releases/2017/06/170620122950.htm">https://www.sciencedaily.com/releases/2017/06/170620122950.htm</a></li> <li><a href="https://blogs.scientificamerican.com/scicurious-brain/ignobels-2013-the-tearless-onion/">https://blogs.scientificamerican.com/scicurious-brain/ignobels-2013-the-tearless-onion/</a></li> </ol><p><strong>Thanks to our monthly supporters</strong> </p><ul> <li>Elizabeth P</li> <li>Sarah Moar</li> <li>Rachel Reina</li> <li>Letila</li> <li>Katrina Barnum-Huckins</li> <li>Suzanne Phillips</li> <li>Nelly Silva</li> <li>Venus Rebholz</li> <li>Lyn Stubblefield</li> <li>Jacob Taber</li> <li>Brian Kimball</li> <li>shadow</li> <li>Emerson Woodhall</li> <li>Kristina Gotfredsen</li> <li>Timothy Parker</li> <li>Steven Boyles</li> <li>Chris Skupien</li> <li>Chelsea B</li> <li>Bri McAllister</li> <li>Avishai Barnoy</li> <li>Hunter Reardon</li> </ul><st