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

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

When Ava’s robot loses power, she and Brooke turn lemons into batteries. When Ava’s robot loses power, she and friend Brooke turn lemons into batteries. Their experiment sparks questions about how ...

An eco-friendly battery made from lemon-like acids, gelatin, and biodegradable metals may soon power the next generation of wearables and medical implants.