Archive: 02/4/2008

Smoking linked to sleep disturbances

New research shows that cigarette smokers are four times as likely as nonsmokers to report feeling unrested after a night’s sleep. The study, appearing in the February issue of CHEST, the peer-reviewed journal of the American ...

Feb 04, 2008
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Communing with nature less and less

From backyard gardening to mountain climbing, outdoor activities are on the wane as people around the world spend more leisure time online or in front of the tube, according to findings published this week in the Proceedings of ...

Feb 04, 2008
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Baboon dads have surprising influence on daughters' fitness

Polygamous baboon fathers get more grandchildren if they spend a little time with their children during their juvenile years, according to research directed by scientists at Duke and Princeton universities.

Feb 04, 2008
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Bacterium sequenced makes rare form of chlorophyll

Researchers at Washington University in St. Louis and Arizona State University have sequenced the genome of a rare bacterium that harvests light energy by making an even rarer form of chlorophyll, chlorophyll d. Chlorophyll ...

Feb 04, 2008
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Lower transmission increases dengue deaths

A pair of researchers has answered a puzzle about why efforts to lower the transmission of dengue virus in Thailand have not resulted in decreases in the severe, life-threatening, form of the infection. In fact, it seems ...

Feb 04, 2008
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Tipping elements in the Earth's climate system

Anthropogenic forcing could push the Earth’s climate system past critical thresholds, so that important components may “tip” into qualitatively different modes of operation. In the renowned magazine ...

Feb 04, 2008
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