chemical
If a circadian rhythm is like an orchestra -- the united expression of the rhythms of millions of cells -- a common chemical may serve as the conductor, or at least as the baton.
The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsy
The first experiments are now underway using the world's most powerful X-ray laser, the Linac Coherent Light Source, located at the Department of Energy's SLAC National Accelerator Laboratory.
In campy old movies, Lucretia Borgia swans around emptying powder from her ring into wine glasses carelessly left unattended.
Saturated fats have a deservedly bad reputation, but Johns Hopkins scientists have discovered that a sticky lipid occurring naturally at high levels in the brain may help us memorize grandma's reci
For decades, climate scientists have worked to identify and measure key substances -- notably greenhouse gases and aerosol particles -- that affect Earth's climate.
(CHICAGO) ?Simvastatin, a commonly used, cholesterol-lowering drug, may prevent Parkinson's disease from progressing further.
PITTSBURGH -- Preventing the havoc wrought when freezing rain collects on roads, power lines, and aircrafts could be only a few nanometers away.
Star clusters are among the most visually alluring and astrophysically fascinating objects in the sky.
ATLANTA -- October 28, 2009 -- A new report from an American Cancer Society (ACS) scientific advisory subcommittee on cancer and the environment says exposure to carcinogens should be minimized or
When Charles Darwin published The Origin of Species 150 years ago, he deliberately avoided the subject of the origin of life.
Scientists at the University of California, Davis, have identified the dominant odor naturally produced in humans and birds that attracts the blood-feeding Culex mosquitoes, which transmit West Nil
