Archive: 12/1/2011

STAR TRAK for December

Venus will be at its dazzling brightest as December begins, appearing in the southwestern sky after sunset. This beautiful "evening star" will set two hours after the sun on Dec. 1 and an hour later at month's end.

dateDec 01, 2011 in Space Exploration
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Groupon distancing itself from rivals: CEO

Groupon chief executive Andrew Mason said Wednesday in his first comments since the online daily deals site went public that he believes the company is distancing itself from its rivals.

dateDec 01, 2011 in Business
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Chemical warfare of stealthy silverfish

A co-evolutionary arms race exists between social insects and their parasites. Army ants (Leptogenys distinguenda) share their nests with several parasites such as beetles, snails and spiders. They also s ...

dateDec 01, 2011 in Plants & Animals
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Smog sparks debate over Beijing air standards

Officially, Beijing's air quality is improving. But in recent weeks, patients with respiratory problems have flooded hospitals, highways have closed and hundreds of flights have been grounded by thick smog.

dateDec 01, 2011 in Environment
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