Add Yahoo as a preferred source to see more of our stories on Google. A lemon beside batteries - corvax-photo/Shutterstock When your batteries run low, the ideal ...

You probably know that simply tossing dead batteries in the trash is no bueno – they release toxic heavy metals as they break down over time in landfills, contaminating the soil and nearby water ...

An eco-friendly battery made from lemon-like acids, gelatin, and biodegradable metals may soon power the next generation of wearables and medical implants. Researchers at McGill University’s Trottier ...