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New Study Reveals Knife Skills Can Reduce Onion Tears!

5/20/2025

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Summary

Story summary

Chopping onions can turn anyone into a teary-eyed mess, thanks to syn-propanethial-S-oxide, a chemical that irritates our eyes. However, researchers at Cornell University have uncovered that the sharpness of the knife and the speed of cutting can affect how much of this irritant is released. This breakthrough could lead to a remedy for our onion-induced tears!

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Story summary

Chopping onions can turn anyone into a teary-eyed mess, thanks to syn-propanethial-S-oxide, a chemical that irritates our eyes. However, researchers at Cornell University have uncovered that the sharpness of the knife and the speed of cutting can affect how much of this irritant is released. This breakthrough could lead to a remedy for our onion-induced tears!