
Why do we cry when we cut onions? It’s the tear gas factor’s fault
The temperatures are now perfect for a nice soup onions for dinner: hot, steaming and tasty. It’s a shame that, as many have felt, cut onions can be a traumatic experience: the eyes sting, become red, and fill with tears. The fault lies with “tear gas factor”, a real defensive weapon typical of onions useful for warding off and discouraging ...








