Why do onions make you cry?

Chemistry For Your Life

#016 Rebroadcast

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.

References from this episode

  1. https://pubs.acs.org/doi/abs/10.1021/jf60174a009
  2. https://pubs.acs.org/doi/pdf/10.1021/acschembio.7b00336
  3. https://www.nature.com/articles/419685a
  4. https://www.nytimes.com/2017/09/05/science/onions-crying-chemicals.html
  5. http://www.chm.bris.ac.uk/motm/pso/psov.htm
  6. https://www.sciencedaily.com/releases/2017/06/170620122950.htm
  7. https://blogs.scientificamerican.com/scicurious-brain/ignobels-2013-the-tearless-onion/
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More description

#016 Rebroadcast

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.

References from this episode

  1. https://pubs.acs.org/doi/abs/10.1021/jf60174a009
  2. https://pubs.acs.org/doi/pdf/10.1021/acschembio.7b00336
  3. https://www.nature.com/articles/419685a
  4. https://www.nytimes.com/2017/09/05/science/onions-crying-chemicals.html
  5. http://www.chm.bris.ac.uk/motm/pso/psov.htm
  6. https://www.sciencedaily.com/releases/2017/06/170620122950.htm
  7. https://blogs.scientificamerican.com/scicurious-brain/ignobels-2013-the-tearless-onion/
Thanks to our monthly supporters
  • Ciara Linville
  • J0HNTR0Y
  • Jeannette Napoleon
  • Cullyn R
  • Erica Bee
  • Elizabeth P
  • Sarah Moar
  • Rachel Reina
  • Letila
  • Katrina Barnum-Huckins
  • Suzanne Phillips
  • Nelly Silva
  • Venus Rebholz
  • Lyn Stubblefield
  • Jacob Taber
  • Brian Kimball
  • Emerson Woodhall
  • Kristina Gotfredsen
  • Timothy Parker
  • Steven Boyles
  • Chris Skupien
  • Chelsea B
  • Bri McAllister
  • Avishai Barnoy
  • Hunter Reardon
★ Support this podcast on Patreon ★

Check out our website at chemforyourlife.com

Watch our episodes on YouTube

Find us on Instagram, Twitter, and Facebook @ChemForYourLife.

Want to start your own podcast? Use Transistor and you'll have the best podcast platform available. We use it and we are totally in love with it.


Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

2023-11-30 34 min
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