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 ...