With a high-speed camera and a tiny guillotine, scientists showed that chopping onions slowly and with sharper knives cuts down on tears.

In this video, I test how many drops of 'blood' (colored water) can sit on a single penny before they spill. It’s a fun ...

Chopping onions without shedding tears is unbelievable, and most people hate cutting onions just for this one reason, but why does this happen? Well, researchers at Cornell University have recently ...