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6 March 2014 1:04 pm ,
Vol. 343 ,
Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
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ScienceShot: Arctic Bees Still Need Beauty Sleep
28 June 2010 7:00 pm
Even under the midnight sun, bees like their beauty sleep. Researchers have found that the Arctic's constant summer daylight won't keep bees a-buzz through the night, despite the fact that working the graveyard shift would maximize their nests' food supply and boost their chances for survival. Both native (B. pascuorum) and imported (B. terrestris) bumblebees in northern Finland, 270 kilometers north of the Arctic Circle, stuck to a regular workday, foraging local flowers from morning until evening and retiring to their nests at "night" despite the sun's 24-hour brightness. The results, published today in the journal BMC Biology, suggest that, unlike reindeer and other Arctic creatures that lose their 24-hour biological rhythms in summer and winter, bees' internal clocks synch to cues other than light and darkness—perhaps variations in temperature or light quality—and that their nighttime rest confers an advantage even greater than extra food.