From Archimedes’ screw to Leonardo da Vinci's helicopter, Ancient Greek mechanics inspired the dream of human flight.

The Archimedes screw, an ancient Greek invention for lifting water. Learn about its origins, how it works, and its modern ...

Pick a point in time — any random point in the world's history — and you'll likely be able to find some sign of genius. Brilliant minds have speckled generations past, providing their people with ...