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Tag: "today" at biology news

Freeze! Scientists film proteins at work by freezing them at different states

...he ESRF for some years. However, experiments until today were restricted to proteins that get excited by light and are in very resistant crystals....

The origin of the brain lies in a worm

...o the diversity of nervous systems seen in animals today is what Detlev Arendt and his group study at EMBL. To do so, they investigate the nervous system of a marine annelid worm called Platynereis dumerilii. "Platynereis can be considered a living fossil," says Arendt, "it still lives in the same enviro...

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

...in secrecy, hidden from the public. Policy actions today requiring the tobacco industry to disclose critical information about nicotine and product design could protect the next generation from the tragedy of addiction." Said Connolly: "Our findings call into serious question whether the tobacco industr...

Scientists unlock mystery of embryonic stem cell signaling pathway

...ern California. Their findings are being published today in an early online edition of the Proceedings of the National Academy of Sciences. This discovery takes scientists another step closer to being able to grow embryonic stem cells without the “feeder layer?of mouse fibroblast cells that is essential f...

Largest genomic search finds genes that may contribute to autism

...o or more children who have autism, were published today in Nature Genetics by more than 120 scientists fro...se of the Autism Genome Project also was announced today to continue the effort to discover the genes that cause the disorder. This $14.5 million phase is b...

Long-lived deep-sea fishes imperiled by technology, overfishing

... low reproductive success, a panel of experts said today at the annual meeting of the American Association of the Advancement of Science. Some of the fish species living at depths greater than 500 meters take decades to reach breeding maturity, so there are no quick-fix remedies available to replenish the...

Antibody signal may redirect inflammation to fuel cancer

...nd fuel cancer. The new research was presented today (February 19) by UCSF scientist Lisa M. Coussens, PhD, at the annual meeting of the American Association for the Advancement of Science (AAAS) in a session titled "healthy aging: inflammation and chronic diseases." "Immunologists have known for d...

Biodiesel won't drive down global warming

...el. This is the conclusion of a new study reported today in Chemistry & Industry, the magazine of the SCI. Analysts at SRI Consulting compared the emissions of greenhouse gases by the two fuels across their overall life cycles from production to combustion in cars. The results show that biodiesel...

Bird sex is something else

... call dosage compensation. But research published today in the Journal of Biology shows that birds are extraordinary, because some bird genomes can live with an apparent overdose of sex-related genes. US researchers Itoh, Melamed et al. working in Arthur Arnold’s University of California, Los Angeles la...

Living with water scarcity -- world must act now

...ssment of Water Management in Agriculture released today to coincide with World Water Day. The Assessment, the first of its kind, brings together the work of over 700 specialists from hundreds of institutes around the world into the most comprehensive and authoritative assessment of water and food eve...

NIH announces phase III clinical trial of creatine for Parkinson's disease

...itute of Neurological Disorders and Stroke (NINDS) today is launching a large-scale clinical trial to learn if the nutritional supplement creatine can slow the progression of Parkinson's disease (PD). While creatine is not an approved therapy for PD or any other condition, it is widely thought to improve ...

Using dental X-rays to detect osteoporosis

...euven, and Malmö. They will present their findings today during the 85th General Session of the International Association for Dental Research. Osteoporosis affects almost 15% of Western women in their fifties, 22% in their sixties, and 38.5% in their seventies. As many as 70% of women over 80 are at risk,...

Cells use 'noise' to make cell-fate decisions

... his research and that of his colleagues published today in the journal Science represents "a new paradigm," suggesting that rather than being bad for biology, cellular noise might have an important function, such as prompting stem cells to transform into a specific tissue type. Electronic noise is an...

Bacteria from patient's dental plaque causes ventilator-associated pneumonia

...ssociated pneumonia. In results to be presented today (March 23, 2007) at the International Association of Dental Research (IADR), researchers from the University at Buffalo School of Dental Medicine show that the same bacteria identified in dental plaque of patients when they were admitted to the ICU a...

Anti-herpes treatment reduces HIV levels in women infected with both viruses

...ons, according to the results of a trial published today in the New England Journal of Medicine. A collaborative group of scientists from the Centre Muraz (Burkina Faso), the University of Montpellier (France) and the London School of Hygiene & Tropical Medicine (UK) carried out the trial among women...

Turtles are loyal in feeding as well as in breeding

...ory routes as they are to nesting sites. Published today (25 April) in the journal Proceedings of the Royal Society B: Biological Sciences, the findings strengthen the argument for the protection of key foraging sites of these endangered species. 'The extent to which turtles showed fidelity to specific f...

Meeting the ethanol challenge: Scientists use supercomputer to target cellulose bottleneck

... neutral' alternative to the fossil petroleum used today for transportation fuels." The results were reported in the April 12 online edition of the Protein Engineering, Design and Selection journal, which also featured visualizations of the results on the cover. A convergence of factors from looming ...

Birds found to plan for the future

...y get anxious about the future. Research published today (22 February) in the journal Nature shows that western scrub-jays are able to plan for future food shortages by caching food. The birds are shown to have learned from their previous experiences of food scarcity, storing food for future use in places ...

Targeting tumors the natural way

...ones. The new tumor targeting strategy, presented today (March 25) at the annual national meeting of the American Chemical Society, cleverly harnesses one of the body's natural antibodies and immune responses. "The killing agent we chose is already in us," says UW-Madison chemistry professor Laura Kiessli...

2,000 influenza virus genomes now completed and publicly accessible

...the National Institutes of Health (NIH), announced today that it has achieved a major milestone. The entire genetic blueprints of more than 2,000 human and avian influenza viruses taken from samples around the world have been completed and the sequence data made available in a public database. "This info...

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