Researchers explain how nitrate from farming and fish ponds moves through water and pollutes freshwater lakes.

The growing demand for portable electronic devices and electric vehicles (EV) has increased the need for rechargeable batteries. Lithium-ion batteries (LiBs) are the current state of the art in this ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...