Generating electricity isn’t limited to burning things, making steam, or harnessing the power of wind, wave, and sun—even though these are by far the most common ways of doing so.
A new kind of flying reptile from the late Cretaceous has been identified from bones found in Romania's Transylvanian Basin.
Two engineers at the University of Wisconsin-Madison have developed a new energy-harvesting technology that they say can power a cellphone simply through walking.
University of Vermont roboticist Josh Bongard has created robots that change their body forms while learning how to walk - like tadpoles becoming frogs.
A woman injured by a car on a busy road is suing Google for giving her dangerous walking directions.