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| Christmas comet Lovejoy captured at Paranal Observatory in Chile Posted: 24 Dec 2011 10:46 AM PST The recently discovered Comet Lovejoy has been captured in stunning photos and time-lapse video taken from the European Southern Observatory's Paranal Observatory in Chile. The comet graced the southern sky after it had unexpectedly survived a close encounter with the Sun.  |
| HIV study named '2011 breakthrough of the year' by Science Posted: 23 Dec 2011 08:41 AM PST The journal Science has chosen the HPTN 052 clinical trial, an international HIV prevention trial sponsored by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, as the 2011 Breakthrough of the Year. The study found that if HIV-infected heterosexual individuals begin taking antiretroviral medicines when their immune systems are relatively healthy as opposed to delaying therapy until the disease has advanced, they are 96 percent less likely to transmit the virus to their uninfected partners.  |
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