Multiple births - their risks and how to prevent them
...red to a woman's uterus was limited to three. This cut the rate of triplets to 4.4% but made hardly any difference to the proportion of twins, which still accounted for more than quarter of deliveries. From 1996 to 1999 more and more patients had only two embryos transferred (44% of women in 1999). The d...Report considers role of science in a world made vulnerable by terrorism
...ion have led both the public and private sector to cut corners in making their information systems secure. Another paper noted that physicians and other health-care workers have not been trained to recognize the symptoms of diseases such as anthrax and smallpox, and that many municipalities lack the publ...Teen alcohol and drug disorders more common than previously thought
...ur family or FRIENDS ever tell you that you should cut down on your drinking or drug use? T - Have you gotten into TROUBLE while you were using alcohol or drugs? Answering "yes" to two or more questions is highly predictive of an alcohol or drug-related disorder. "The beauty of this questionnaire it ca...Bandage could repair damaged tissues
... then solidifies. "Unlike bandages that have to be cut to shape, doctors can pour this solution over an area, even something like a damaged internal organ, and it will set in place," Kao says. Just as Jell-O thickens when refrigerated, Kao's substance turns into a flexible, degradable solid when exposed ...Nasal antibiotic ointment reduces infection risk after surgery
...pirocin (moo-PIE-roe-sin), smeared inside the nose cut infection rates in half or better. "Our results carry tremendous implications for reducing S. aureus surgical wound and other hospital-based infections, and for preventing illness and saving lives," says Trish Perl, M.D., associate professor of medic...Anemia complicates heart failure, should be new focus, doctor says
...said. One study even suggested that the drug could cut time spent in the hospital. UNC serves as the coordinating center for a national heart failure registry, UNITE-HF, composed of 15 academic medical centers that collect and pool patient data for study. Working with Amgen, a drug company, and registry ...Site of US Open at Bethpage is reducing pesticide use
...e was reduced by 33, percent and fungicide use was cut by about 30 percent, according to the first year's (2001) report of a three-year study conducted by Jennifer A. Grant, Cornell pest management specialist, and Frank S. Rossi, Cornell assistant professor of horticulture. Bethpage Green is one of the f...Stanford explores new avenue for brain injury, paralysis research
...lly things like spinal cord injury. Axons that get cut don't grow past the site of the injury back to normal connections in the brain," said Jeffrey Goldberg, lead author of the paper and senior graduate student in the lab of Ben A. Barres, MD, PhD, associate professor of neurobiology and developmental b...... absorptive materials back in the late 80s when he cut himself shaving. He picked up a volcanic mineral hed been studying and decided to try it on his bleeding wound. The product worked so well as a coagulant that Hursey set to work doing further testing. After three patents and ten years of testing an...Scientists discover protein identifies damage to DNA
...xist that pinpoint the affected genetic sequences, cut them away and build them back right. Little is known, however, about how this molecular fix-it team recognizes the problem, Sancar said. In this new work, we report that we have identified one piece of the molecular alarm systemthat starts the cascad...Story tips from the Department of Energys Oak Ridge National Laboratory, May 2002
...ms, the nations dependence on foreign oil could be cut significantly and net farm income could increase an estimated $6 billion annually by 2020. Advances in the understanding of gene function in plants could lead to a two-fold increase in crop yield, the researchers claim. That and a shift from traditio...Parasite or partner? Study suggests new role for junk DNA
...Normally, L1s use an enzyme called endonuclease to cut the genetic DNA and create a space, so they can plug themselves into the genome. We knew about the endonuclease pathway, says Tammy A. Morrish, a U-M graduate student in human genetics and first author of the paper. But we didnt know there was anothe...Research highights from Pacific Northwest National Laboratory
... maintenance expenses, extended equipment life and cut energy consumption and associated harmful emissions. DSOM received an R&D 100 Award for technology innovation in 2001. For more on DSOM, see . Scientists see a vivid picture of DNA repair process - All known life forms, including humans, spend a...Making meningiomas: Scientists pioneer animal model of human meningioma
...erest with loxP sites, and then introducing Cre to cut out the gene. To introduce Cre into arachnoidal cells, Dr. Giovannini and colleagues genetically engineered an adenovirus to carry the Cre gene. Adenoviruses cause various illnesses in humans, like upper respiratory tract infections and gastroenterit......ays Havran. The new study showed that when skin is cut or damaged, keratinocytes, a type of epithelial cell common in the epidermis, release the antigen that is recognized by the gamma-delta T cells, which then become activated. Once activated, the gamma-delta T cells begin making a growth factor that bi...Manganese blocks HIV replication; Lab finding points to potential new class of HIV treatments
...ng just three times more manganese than normal can cut the activity of HIV's reverse transcriptase in half, the scientists report, even though there's still much more magnesium. HIV's ability to adapt and overcome drugs means that current treatments like AZT, which target reverse transcriptase directly, ...Gender differences in fatigue explained by the use of the body's aerobic pathways
...here blood flow (and thus oxygen) to the muscle is cut off by mechanical compression. If gender differences in fatigue exist and are due to an "oxidative advantage" for women, then the results would demonstrate that women exhibit less fatigue under control conditions, but that women and men would fatigu...UNC scientist finds chief AIDS cancer needs trauma and virus to get started
..., appears to require some kind of trauma such as a cut or comparable injury to get started, a University of North Carolina at Chapel Hill scientist has discovered. We found that there are at least three key elements central to development of this important cancer, said Dr. Jennifer Webster-Cyriaque, ass...New process speeds protein separation
...ntification tool because the protein spots must be cut out of the gel and processed before any proteins can be further analyzed and definitively identified. In the ProteoSep system, proteins remain in a liquid phase throughout the separation process. Like 2-D gel electrophoresis, the new method first se......und suppressing the leaf's defense mechanism. They cut holes in leaves to mimic caterpillar feeding and a...ion to about the level of a leaf that had not been cut or chewed. To test the products produced when glucose oxidase reacts with sugar, the researchers loo...