New solar device pulls water from desert air

Brazil, Mexico make first deposits to 'doomsday' data vault

China fights toilet paper greed with face scans

Does this chess problem reveal the key to human consciousness?

Has technology made basic things demonstrably worse?

Drone photographers create 'Inception'-inspired landscapes

Bill Gates thinks robots should be taxed. Is he right?

Why are Earth-observing satellites so important?

Why is it that so many basic things don't work as well as they used to?

Take a spacewalk and visit the ISS in stunning virtual reality

What do people-finder sites know about you?

Is it OK to spy on your teen?