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 ...

Mike Adamick is a stay-at-home dad who writes for the Adventures in Learning science blog at PBS.org, the San Francisco Chronicle, KQED Radio, Disney's parenting website, Babble, and the Daddy Issues ...

What looks like magic is often just a rule of physics or chemistry doing its job. Invisible ink turning brown, colours swirling on milk, water climbing uphill — it all feels like sorcery until you ...