A microwave turns leftovers hot in seconds and handles everything from late-night snacks to quick lunches between meetings.

Bubbles are usually the first sign that water’s coming to the boil, but heating it in a microwave seems to skip this important step. Here’s what’s going on. When you purchase through links on our site ...

* Water heated in a microwave may become superheated and erupt unexpectedly when disturbed * Microwaving can change water's physical properties (refractive index, surface tension) beyond what ...