Deltas represent low-lying socio-environmental geographical regions characterized by the dynamic interaction between rivers, ...

The oldest reference in the first known writing — cuneiform — was not about gods or kings, but about beer. Lots of it. It was ...

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

A perfect storm blew silver, the blue metal, up more than gold or copper, both of which rose to new record highs early this ...