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How to eavesdrop on alien chatRight now, the search for extraterrestrial life can't separate alien-to-alien transmissions from background noise, but one researcher reckons there's a way
Hubble repair mission postponed againProblems with a spare part for the telescope will delay a shuttle repair mission from February to no earlier than May
02:00 31 October 2008
How vampires evolved to live on blood aloneNew research pinpoints the genetic changes that have allowed vampire bats to subsist on a diet of pure blood
00:00 31 October 2008
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Ghostly gallery: Spooky images from space
View a ghoulish gallery that includes a stellar Lord of the Rings, a spectral eel and a death mask on Mars
21:12 30 October 2008
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Male-killing bacteria provide a surprise benefitThe Wolbachia bacterium controls the reproduction of its insect hosts by killing males but confers some protection against viruses
19:00 30 October 2008
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Gallery: The best wildlife photography of 2008
The winners of the 2008 Wildlife Photographer of the Year competition, announced today, include chimps fighting over a bushpig, and an encounter with a 14-metre-long whale
18:00 30 October 2008
Humans to blame for polar warming
18:00 30 October 2008
20 comments
How to eavesdrop on alien chat
17:30 30 October 2008
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Bug-eyed lens shrinks wide-angle cameras
15:31 30 October 2008
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Global-warming methane spiked in 2007
12:52 30 October 2008
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'Menopausal' men could get sexual boost from HRTAge-related testosterone deficiency threatens one in five men with depression, impotence and obesity – the good news is, treatment with the hormone could help
Will Obama bury the 'Bradley effect'?Is racism causing polls to overestimate support for Barack Obama? The 2008 elections may finally consign this effect to history, says Anil Ananthaswamy
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Animals in action
See breathtaking images of a snake and a frog in deadlock, an encounter with a 14-metre whale, and more
Across the waters
Salmon have been followed on their vast migrations by one of the most ambitious animal tracking studies ever
Living jewels
Insects as you've never seen them before, courtesy of extreme close-ups and electron microscopes
Ghostly gallery
The disembodied Eye of Sauron is only one of the hair-raising images in our Halloween gallery
US election '08We analyse the speeches to find out what the candidates are offering – and what the differences mean for science
  
To be or not to beA spare part to be sent up to Hubble may not work - is it time to say good-bye to the venerable observatory?
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