The good news: improved health care is reducing occurrences of intestinal parasites worldwide. The bad news: at the same time, rates of asthma are increasing worldwide. The link between these trends…

A new climate modeling study forecasts the complete disappearance of several existing climates in tropical highlands and regions near the poles, while large swaths of the tropics and subtropics may…

An odd, six-sided, honeycomb-shaped feature circling the entire north pole of Saturn has captured the interest of scientists with the Cassini mission. This atmospheric feature was already imaged by…

Yesterday, I gave my first talk at the March07 ACS meeting on Teaching Organic Chemistry with Blogs and Wikis. The screencast is now available. It was part of a symposium on Using Social Networking…

Nanomechanical oscillators -- tiny strips of vibrating silicon only a few hundred atoms thick -- are the subject of extensive study by nanotechnology researchers. They could someday replace bulky…

A pioneering “biofuel cell” that produces electricity from ordinary air spiked with small amounts of hydrogen offers significant potential as an inexpensive and renewable alternative to the costly…

An international team of researchers has discovered that two types of plant proteins are at work in the transport of an important growth hormone, a finding that could have applications in creating…

Gene therapy - the idea of using genetic instructions rather than drugs to treat disease - has tickled scientists' imaginations for decades, but is not yet a viable therapeutic method. One sizeable…

Researchers in Japan have developed a pair of molecular-scale scissors that open and close in response to light. The tiny scissors are the first example of a molecular machine capable of…

The medication tilarginine, a drug that was believed could be beneficial for patients who develop cardiogenic shock (low blood pressure due to impaired cardiac function) after a heart attack, did…