(CNN) — The top-hatted “drinking bird,” once a fixture in science classrooms for demonstrating the basics of thermodynamics, is making a surprising comeback — as the inspiration for a new clean-energy ...

A few months ago I was determined to de-clutter my half of the office, an operation requiring a dedicated corps of laborers with shovels. There are lost civilizations under there. As I continued the ...

Inspired by the classic drinking bird toy, scientists in Hong Kong and Guangzhou, China have developed an engine that efficiently converts energy from water evaporation into electricity to power small ...