| Dec 19, 2007
The news last week that scientists induced homosexual courtship in male fruit flies by changing levels of a neuro chemical was greeted with predictable headlines: "Scientists make fruit flies gay, then straight again." On science blogs, discussion raged...
| Nov 17, 2009
About a third of our adult life is spent sleeping -- or at least it should be. But many Americans aren't getting a good night's sleep, and according to the U.S. Centers for Disease Control and Prevention, 70 million Americans suffer from chronic sleep...
| Oct 28, 2009
Stress is viewed as a psychological problem, but its physical effects are very real. What we perceive as a stressor, whether physical, emotional or mental, poses a threat to homeostasis, or our well-being.
Pressure, anxiety and worry are emotional states...
| Nov 11, 2009
Avoiding unsafe cleaning products is just as important as identifying safe ones. One hundred thousand chemicals are used commercially, and the production of chemicals doubles every seven years. Cleaning products are among the most toxic substances that...
| Jul 2, 2009
| 8:55 AM
After rescuers used the Jaws of Life to pry Amanda Perla from a car that had slammed into a traffic-signal pole on prom night, doctors told the 18-year-old she would be paralyzed but could go on to live a productive life.
They would teach her how to...
| Aug 27, 2009
Consider the earthly pleasures of gardening. You're outdoors. The sun warms your muscles. You're doing something both productive and edifying. And the activity places you back into the natural world, where exercise and relaxation are organically linked....