The National Library of Medicine reported that humans make about 1.7 liters of urine a day.

Africa's energy trilemma requires solutions that are sufficient, affordable, and sustainable amidst growing demand. Microbial fuel cells (MFCs) convert organic waste into clean energy, promising rural ...

If we asked you to think of a device that converts a chemical reaction into electricity, you’d probably say we were thinking of a battery. That’s true, but there is another device that does this that ...