Research & Innovations

In pee-saturated San Francisco, walls that retaliate against public urinators

Why do pendulum clocks swing together?

I, for one, welcome the new robot hotel staff at Japan's Henn-na Hotel

Robo-swans add a touch of elegance to water quality testing

U.S. wins math olympiad for first time in 21 years

American and Japanese giant robots to battle

Behold the surreal imagery of Google's 'dreams'

Scientists closer to creating a 'Star Trek'-style replicator

Why we have a leap second today

This tiny chip could end animal testing

Bridge to be 3-D printed across Amsterdam canal (by a robot, naturally)

Stretchy 'origami batteries' could power smart clothing