Why do onions make you cry?

#016

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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