Earth’s Ozone Layer Appears To Be On The Road To Recovery May 26, 2006
While the ozone hole over Antarctica continues to open wide, the ozone layer around the rest of the planet seems to be on the mend. For the last 9 years, worldwide ozone has remained roughly constant, halting the decline first noticed in the 1980s. The question is why? Is the Montreal Protocol responsible? Or is some other process at work?
New Technology Detects Risks Of Drugs To Heart Sooner
A new technology to enable pharmaceutical companies to determine more effectively, and earlier on in clinical trials, whether an experimental drug is toxic to the heart has taken an important step toward the marketplace.
Telltale Toenails: Dartmouth Study Finds That Arsenic Inhibits DNA Repair
Dartmouth researchers, working with scientists at the University of Arizona and at the Department of Natural Resources in Sonora, Mexico, are investigating the impact of arsenic exposure on DNA damage, using samples of urine and toenails of people who were enrolled in epidemiologic studies.
New Clinical Trial Seeks To Find Better Ways Of Treating Uterine Fibroids
Researchers at the University of Pennsylvania School of Medicine are working on ways to improve the results of a non-surgical method to treat fibroids. They are examining the overall effectiveness of different agents used to destroy uterine fibroids - a discovery that could lead to more answers about the durability of a procedure called Uterine Fibroid Embolization (UFE).
Nature Offers Guidance On Organising Dynamic Networks
Today, for many, computer networks are an indispensable infrastructure that interconnects people, places and organisations. But increasingly they are beginning to creak as their complexity grows. Biological systems through years of evolution can offer clues on how to cope, as a research project has demonstrated.
Compulsion To Smoke After Just One Cigarette Can Lie Dormant For More Than Three Years
The compulsion to smoke after having tried just one cigarette can lie dormant for more than three years, indicating a "sleeper effect," reveals a study of teenage smoking habits, published in Tobacco Control.