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10 April 2014 11:44 am ,
Vol. 344 ,
Tight budgets are forcing NASA to consider turning off one or more planetary science projects that have completed their...
Ebola is not a stranger to West Africa—an outbreak in the 1990s killed chimpanzees and sickened one researcher. But the...
In an as-yet-unpublished report, an international panel of geoscientists has concluded that a pair of deadly...
Tropical disease experts tried and failed before to eradicate yaws, a rare disfiguring disease of poor countries. Now,...
Since 2002, researchers have reported that agricultural communities in the hot and humid Pacific Coast of Central...
Balkan endemic kidney disease surfaced in the 1950s and for decades defied attempts to finger the cause. It occurred...
The Pyrenean ibex, an impressive mountain goat that lived in the central Pyrenees in Spain, went extinct in 2000. But a...
- 10 April 2014 11:44 am , Vol. 344 , #6180
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Update: No Second Life, After All
26 March 2012 5:39 pm
On Sunday, Russian engineers intentionally crashed the Express-AM4, despite the efforts of Polar Broadband Systems Ltd., who had hoped to salvage the spacecraft to support broadband communication in Antarctica. The company had appealed to the Russian space agency, Roscosmos, as well as to Russian officials, requesting an intervention by the Russian ambassador to the United States, but to no avail.
Engineers at Astrium, which designed the spacecraft, fired its engines to begin a controlled descent at 6:33 a.m. EDT on 25 March; the debris landed a few hours later in the northern Pacific Ocean. Russia has ordered a replacement satellite for launch by late 2013.