Water has long been a source of renewable power. More than 2,000 years ago the Chinese used water wheels to grind grain and pound ore. In the 1700s water wheels kickstarted the Industrial Revolution ...

Electricity has always been central to how life works, from the firing of neurons to the beating of the heart, but new research suggests cells may be generating power in ways biologists had not ...

Tidal power is a way to generate clean, renewable energy by harnessing the rise and fall of ocean tides. Unlike wind and solar power, tidal power is predictable on a regular basis. There are two ...