Obese do not process vitamin D from sunlight as well as lean individuals
...the bioavailability of vitamin D through different routes of administration in obese and lean individuals. Study subjects were first exposed to simulated sunlight to stimulate production of vitamin D in the skin, and one month later were administered oral doses of vitamin D. In the obese subjects oral vita...Discovery may jump-start mine remediation efforts
...d-based remediation systems and suggest biological routes for formation of some low-temperature zinc sulfide deposits," the researchers write in the latest Science, the nation's leading scientific journal. The biofilms were first discovered by recreational scuba divers exploring the dark, flooded tunnels of...Report: auto accidents involving deer still increasing across North Carolina
...oads, a quarter on state roads, 17 percent on U.S. routes and only a small percentage on interstates and in towns. Almost three-fourths occurred between 6 p.m. and 6 a.m., and half took place between October and December. "We recommend that people drive slower at night where deer are likely to be, and ...Tips from the journals of the American Society for Microbiology: February 2001
... to determine reservoirs of infection and possible routes of transmission. (R.A. Heckert, S. Elankumaran, A. Milani and A. Baya. 2001. Detection of a new Mycobacterium species in wild striped bass in the Chesapeake Bay. Journal of Clinical Microbiology, 39: 710-715.) *********************************** BO...New prime-boost HIV vaccine strategy shows promise in monkeys
...ceiving different dosages of vaccines or different routes of injection. The monkeys were compared with four unvaccinated animals. The researchers waited seven months after vaccination and then infected all the macaques with a high dose of SHIV. "Most other studies challenge after several weeks," says Dr....Handling stress: life and death decisions at the cellular level
...f this signaling pathway, such as JIP1, offers new routes to understand how this pathway is regulated and potential ways of manipulating it to combat disease....Smallest silicon particles light way for new sensors, materials
... In 1998 Buriak's research group developed two new routes to protecting the surface from oxidation. The first involved treatment with a Lewis acid and a class of organic molecules. The second outlined preliminary results concerning this white light promoted reaction. "We had just published that second paper...Tips from the Journals of the American Society for Microbiology: October 2001
...n viable during fruit development, thus serving as routes or reservoirs for contaminating ripened fruit. Interventions need to be applied to eliminate contamination of tomato fruits with Salmonella by preventing or minimizing its contact with tomato plants and fruits at all points from the farm to the cons...Scientists find new evidence for specific actions of alcohol in brain
... Researchers gave rats NMDA or alcohol by various routes to determine brain responses. Alcohols main effect was to inhibit or prevent NMDA-induced Fos protein induction, Knapp said. That means Fos protein induction by NMDA -- and the blockage caused by alcohol -- occurred in specific brain regions such as......th other recent studies using different models and routes of delivery. However, this is the first study that directly assessed the ability of an adenovirus to result in gene expression in extremely large numbers (i.e., millions) of germ line cells, and the first to assay infection of the reproductive stem ...Predicting preterm birth still nearly impossible, study in New England Journal finds
... Dr. Lockwood suggests that there are several main routes to preterm birth, including infection and hormone changes. Furthermore, he proposes that these routes may come together into one final pathway to preterm labor and delivery involving uterine contraction...Fas signaling and cardiac hypertrophy
...eath receptors," activates one of the best studied routes to apoptosis. Evidence for Fas activation in cardiac myocytes subjected to pressure overload is therefore not surprising, but Badorff et al. have found that this protein subserves an unexpected role in these cells. As has been noted before, cardiac o...Energy landscape paving: A better way to find a better way
...t path is evident from any local map. Other "best" routes from Point A to Point B aren't so simple. Ask anyone who has ever meandered helplessly through a myriad of small towns on a shortcut to Chicago. How, then, does one find the shortest, cheapest, quickest way to do anything, from travel cross country t...Satellites vs. mosquitoes: Tracking West Nile Virus in the U.S.
...tures, distributions of vegetation, bird migration routes and areas pinpointing reported cases. The combined data helps scientists predict disease outbreaks by showing where conditions are right for the insects to thrive and where the disease appears to be spreading. "The images are derived from satellite...Unexpected links found between many RNA viruses
...d that, although the viruses seem to take distinct routes to replication, all three types use related pathways and structures to replicate their genes. By linking three of the six major classes of viruses, the results offer a significant unification within the field of virology. The multiple functional para...Rock climbing harms cliff ecosystems
... McMillan and Larson recommend banningnew climbing routes in protected areas along the Niagara Escarpment, andexplaining why to rock climbing associations and schools."Recreationists are far more likely to abide by management plans whenthey are aware of the ecological rationale behind the restrictions," say...Scientists at the Scripps Research Institute design gene-tipped tumor regressor 'smartbombs'
...e medical equivalent of cutting off all the supply routes to destroy the tumor. Once angiogenesis is stopped, the tumor cells starve, and the tumor is ultimately destroyed. Anti-angiogenics have been known of and studied for many years, but this anti-cancer nanoparticle is a new type of anti-angiogenic. Unl......extensive contamination of Mexican fields via such routes (New Scientist, 15 June, p 17). But there's no evidence that this "gene flow" has had any harmful effects on the environment or people. And while such contamination might affect exports to Europe, at present Zimbabwe doesn't send any maize to Europe....Tagging the great white shark...and a few of his friends
... exactly lives where and why, what their migration routes and diving behaviors might be, and what might be going on in the ocean all around them temperature, salinity and other physical data. It's called the TOPP program Tagging of the Pacific Pelagics and it is funded as one of the six pilot project...US government commits $36 million to protect Congo's forests
... built to gain access to forestlands become access routes for hunters. The widespread slaughter of wild animals in the Congo Basin creates "empty forests," which diminish opportunities for local communities and threaten the forests' long-term viability. The eleven priority landscapes are: Monte Alen Mon...