Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

We're going "Back to School" today, revisiting a classic at-home experiment that turns lemons into batteries — powerful enough to turn on a clock or a small lightbulb. But how does the science driving ...

You probably know that simply tossing dead batteries in the trash is no bueno – they release toxic heavy metals as they break ...