Pour some milk in a dish (whole milk works best, but honestly, use whatever’s not expired), drop in some food coloring, then touch it with a dish soap-dipped cotton swab. The colors will scatter like ...

You will need an ice cube, a piece of fishing line with a weight tied to each side, a tray, and a container for the number two on our list of cool experiments to do at home with household items. Turn ...

Let me be transparent–I’m not going to pretend these kitchen experiments won’t create a mess. They will. There will be vinegar on your floor, food coloring on hands that lasts a day or two, and ...