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| UK releases classified UFO files Wed, 14 May 2008 00:01:00 |
| The UK's Ministry of Defence has started releasing decades' worth of UFO-related files – predictably, some are downright bizarre |
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| Wild sloths are no sleepyheads after all Wed, 14 May 2008 00:01:00 |
| The first study to analyse sloth sleep patterns in the wild has profound implications for the understanding of sleep in both animals and humans |
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| Mars probe set for nail-biting touchdown Tue, 13 May 2008 21:27:00 |
| NASA's Phoenix probe will experience a harrowing few minutes on 25 May when it attempts to land on the Red Planet without airbags |
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| Readers' Q&A: The science of sex Tue, 13 May 2008 17:45:00 |
| Mary Roach, author of Bonk, answers your questions on the science of sex |
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| Doubt cast on source of universe's mightiest particles Tue, 13 May 2008 17:44:00 |
| Last year, researchers suggested ultra-high-energy cosmic rays originated near colossal black holes, but a new study questions that conclusion |
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| Childbirth simulator helps trainee medics get a grip Tue, 13 May 2008 16:43:00 |
| A few lessons in handling babies using an animatronic set up greatly increases junior doctors' competence in difficult forceps deliveries |
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| Liquor-store sales linked to violent assaults Tue, 13 May 2008 15:47:00 |
| An analysis of health records and alcohol sales receipts shows that hospitalisations for assault increase as more booze is bought locally |
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| Virtual telescope brings the cosmos to your desktop Tue, 13 May 2008 16:01:00 |
| A free Microsoft program called WorldWide Telescope lets users zoom in on cosmic images from the world's best observatories |
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| New material may be step towards 3D invisibility cloak Tue, 13 May 2008 14:14:00 |
| A prism that bends light the "wrong way" could be the first 3D version of the metamaterials that allow unnatural powers over light |
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| Accepted level of earthquake risk in China 'too high' Tue, 13 May 2008 11:38:00 |
| The people of Sichuan are now paying the price for living in buildings built to withstand a quake one-fifth as powerful as the one that hit on Monday |
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| Captive cheetahs at risk from their own faeces Tue, 13 May 2008 10:00:00 |
| A disease that kills off captive cheetahs by forming clumps in their internal organs may be spread in the animals' droppings |
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| Air pollution linked to dangerous blood clots Mon, 12 May 2008 22:00:00 |
| Particles of soot released from traffic and factories may trigger the formation of the blood clots that cause deep vein thrombosis |
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| Viagra keeps ailing hearts pumping Mon, 12 May 2008 21:00:00 |
| The drug – commonly used to treat erectile dysfunction – appears to prevent heart damage caused by muscular dystrophy in mice |
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| Volunteers asked to help find dead spacecraft on Mars Mon, 12 May 2008 20:09:00 |
| New online images could hold clues to the fate of NASA's Mars Polar Lander, which was lost on the Red Planet in 1999 |
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| Comment: Here come the designer babies Mon, 12 May 2008 17:33:00 |
| Doom-mongers claim the first steps have been taken towards 'enhanced designer babies' – but are we really marching towards eugenics?
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