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When dung beetles in South Africa are ready to roll, they pick their path with the help of the Milky Way. But our home Galaxy is becoming harder and harder to spot as light pollution brightens the nig...
Timing is everything. A fresh example supporting the old saying has been found in systems regulated by biological clocks. Research on circadian rhythms, internal 24-hour patterns that affect sleep-wak...
Every year during spring and fall migration, tens of millions of birds take flight at sunset and pass over our heads, unseen in the night sky.The National Weather Service has recorded the birds' migra...
Men and women often enter relationships with different long-term goals. In the animal world, differences in approaches to reproductive success can lead to sexual conflict.Male fruit flies, for example...
Roots are key components of C cycling in terrestrial ecosystems and play an important role in the regulation of response of terrestrial ecosystems to global climate warming, which is predicted to occu...
In this study, the nesting site characteristics and nest densities of ardeids (grey heron: Ardea cinerea; night heron: Nycticorax nycticorax, and little egret: Egretta garzetta) were investigated in N...
Night of the living enzyme(图)     enzymes  honeycomb       2006/12/22
November 28, 2006,RICHLAND, Wash. – Inactive enzymes entombed in tiny honeycomb-shaped holes in silica can spring to life, scientists at the Department of Energy's Pacific Northwest National Laborator...

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