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The face of first contact: What aliens look like  from New Scientist - Online News  (2010-1-26 0:01)

Will they be super-smart predators, glass-veined acid-dwellers or giant microbial blobs? We asked astrobiologists for their best guesses

To beat spam, turn its own weapons against it  from New Scientist - Online News  (2010-1-25 20:46)

Spammers' own trickery has been used to develop an "effectively perfect" method for blocking the most common kind of spam

Spasers set to sum: A new dawn for optical computing  from New Scientist - Online News  (2010-1-25 19:12)

Ultra-fast computers running on light could be built after all, thanks to the new field of nanoplasmonics? and the tiniest lasers ever made

Comet storm split destiny of Jupiter's twin moons  from New Scientist - Online News  (2010-1-25 3:00)

Jupiter's two biggest moons only look similar&ndash inside they are very different. Is an ancient comet bombardment to blame?

Pebble splashes break the speed of sound  from New Scientist - Online News  (2010-1-24 19:00)

A pebble falling into a pond produces a jet of air that flies faster than a speeding bullet

Intense males have the best sperm  from New Scientist - Online News  (2010-1-23 21:00)

Vibrant plumage is not only a sexual ornament for male great tits? it signals the quality of the birds' sperm

Quartz rods could provide instant bomb detector  from New Scientist - Online News  (2010-1-23 19:00)

New technique promises a quick and cheap way to protect public transport from an explosive commonly used in home-made bombs

'Space diver' to attempt first supersonic freefall  from New Scientist - Online News  (2010-1-23 6:23)

A daredevil who parachutes from skyscrapers will try to smash the nearly 50-year-old record for the highest ever jump, becoming the first person to go supersonic in freefall

US sale of helium criticised  from New Scientist - Online News  (2010-1-23 3:08)

Demand for helium is growing while supply is shrinking, a situation made more acute by the fact that the US is letting its reserves go to the highest bidder

Today on New Scientist: 22 January 2010  from New Scientist - Online News  (2010-1-23 3:00)

Today's stories on newscientist.com at a glance, including: how to zap fat with lasers, the hidden asteroids that stalk the Earth, and some good news for fans of GM maize