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

How does a mere soda bottle become a dramatic science demo? The “Coke Bottle Experiment” (often with Mentos) triggers a ...

Stressed out by hot-button issues? Politicized science? Chemistry Lessons From Hell? Relax. Here are some quirky chemistry tricks that require little brain power. I've even explained how they work.