SPACE
Nearby asteroid found orbiting the sun backwards A newly discovered near-Earth asteroid that travels in a 鈥渞etrograde鈥� orbit has astronomers puzzled: they say the 3-kilometre-wide object should have been spotted before
VIRUSES
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Pandemic flu: the pig connection You know it as swine flu, but the World Health Organization wants us to call it influenza A (H1N1). So is this a pig virus? And if it is, why hasn鈥檛 it been possible to control flu in pigs using vaccines? Should farming practices change in response? Has vaccinating US pigs made a pandemic more likely?
ENVIRONMENT
US farms have cool effect Next time you drive by a farm, open the windows and enjoy the cool air鈥� New research shows that a farm 鈥渃ooling factor鈥� has lessened the effects of global warming in the US, and could continue to do so
COMPUTING
How your web searches can predict the future A team at Google has shown that monitoring the popularity of search terms can give away future economic events like car sales. Another group of researchers has shown that users of a service that sends time-delayed emails at future dates may have predicted the current financial crisis
SPACE
Mysterious spokes found in crater on Mercury During its second flyby of Mercury, NASA鈥檚 Messenger spacecraft has discovered a new crater with an unusual pattern of troughs and ridges
TECH
Giant rubber snake may be the future of wave power See video from a wave tank in which a 20-metre rubber snake is put through its paces. Passing waves squeeze bulges of water along its length, which set turbines spinning
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