Heisenberg's Uncertainty Principle in doubt

Heisenberg's Uncertainty Principle is looking a little, well, uncertain, with the discovery that observation needn't disturb systems as much as thought.

Team urges test of cloud brightening

Scientists are proposing a test of cloud brightening as a possible way of countering global warming.

Why you can walk on water (mixed with cornstarch)

There's a well-known experiment in which cornstarch is added to water, turning it into a rather odd substance known as oobleck.

Rich people more likely to take candy from a baby

Upper-class people are more likely to engage in a whole range of unethical behaviors, say psychologists, who have carried out the experiments to prove it.

Could antimatter weigh more than matter?

Antimatter may weigh more than matter of the same mass, say physicists at the University of California, Riverside, who are attempting to establish how it behaves in gravity.

Alien abductions 'all in the mind'

Scientists say they've succeeded in inducing alien abduction experiences in volunteers - and they're all just dreams, they say.

Facebook to help test 'six degrees of separation'

In 1967, the Harvard sociologist Stanley Milgram conducted the experiment that led to what's become known as the 'six degrees of separation' theory.

Knot theorem could have implications for DNA as well as tangled flex

A mass experiment begins today to test a possible solution to one of life's recurring problems: the way headphone cords, electrical cables and the like get themselves into a tangled knot the minute your back is turned.