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Tag: "nature" at biology news

Copying nature could save us energy, study shows

...lem. However, new research which has compared how nature and man-made technologies overcome similar problem...ry different way." Although mankind has looked to nature for inspiration for generations, 'biomimetic' devices are a relatively recent phenomenon. The stable...

NYU algorithm enhances ability to detect cancer genes

... technology and the statistical algorithms of this nature keep improving in cost and accuracy, it will prove useful in finding good biomarkers, drug discovery, disease diagnosis, and choosing correct therapeutic intervention. The members of the NYU group (the authors, Dr. Salvatore Paxia and Dr. Thomas Anan...

Higher levels of obesity associated with greater health risks

...men, but further study is needed to understand the nature of this relationship," the authors write. "Our findings have important clinical and policy implications. The escalating prevalence of extreme obesity may exacerbate the health effects and health-related expenditures resulting from the U.S. obesity e...

Birds going extinct faster due to human activities

...nts, and the effects are profound. Ultimately both nature and nurture influence the final identity of a stem cell, but in early stages it seems nurture is very important." In experiments, scientists confirmed a cell culture surface molecule called laminin activates a common developmental pathway that is ...

Medium is the message for stem cells in search of identities

...nts, and the effects are profound. Ultimately both nature and nurture influence the final identity of a stem cell, but in early stages it seems nurture is very important." In experiments, scientists confirmed a cell culture surface molecule called laminin activates a common developmental pathway that is ...

Report focuses on the role good microbes play in future medicine

... with these immune defenses, possibly changing the nature of the immune response to other antigens, including commensal and pathogenic organisms," says Walker. The report is the outcome of a colloquium convened by the American Academy of Microbiology in November 2005 to discuss the current state of knowled...

Immune system police learn early and sometimes badly

...ated is still a question. We want to look into the nature of antigens those receptors recognize which will allow us to predict more how they are being developed in the thymus." ...

Science captures the essence of fruit

...acturers to recreate them exactly as they occur in nature will open new opportunities for high-quality, novel products and foods." While many biofermented compounds will undoubtedly end up in non-food consumer products such as make-up or household cleaners, Dr Newcomb is confident they will also play a ro...

Jellyfish dominate fish in over-harvested Namibian waters

...enuated fish-stock recovery and alterations in the nature of carbon cycling. ...

Hopkins scientists show hallucinogen in mushrooms creates universal 'mystical' experience

...herapeutic potential or value in research into the nature of consciousness and sensory perception. "Human c...elp people." The authors acknowledge the unusual nature of the work, treading, as it does, a fine line between neuroscience and areas most would consider ou...

Snakes' virtual glasses, leopard spots and all-optical transistors

...ician Alan Turing to suggest that some patterns in nature are due to various chemicals, or morphogens, diffusing across surfaces and forming shapes where they interact. Few Turing-type models, however, addressed the fact that such patterns may evolve over time. A two-stage variation of Turing's model, recen...

Polynesia explorers created worldwide web of scientific knowledge

...hat "powerfully shaped the era's debates about the nature of human society." Liebersohn's study focuses on...d them to the "straightforward truths" about human nature in "natural" societies, they discovered otherwise: "no single pattern of human nature, but rather an...

Himalayan forests disappearing

...esearchers, few studies have analyzed the specific nature of the behaviors that are planned. "To achieve a behavioral goal in daily life, we often need to plan multiple steps of motor behavior that involve selection of a series of actions," wrote the researchers. "The question arises: how are individual ne...

The brain's executive is an 'event planner'

...esearchers, few studies have analyzed the specific nature of the behaviors that are planned. "To achieve a behavioral goal in daily life, we often need to plan multiple steps of motor behavior that involve selection of a series of actions," wrote the researchers. "The question arises: how are individual ne...

Ready, set, mutate?and may the best microbe win

...hilus. Shamoo said this strongly shows the dynamic nature of evolution at the molecular and atomic level. Shamoo said the most promising finding is the fact that the follow-up test produced precisely the same mutant genes. "The duplicate study suggests that the pathways of molecular adaptation are reprodu...

Molecular DNA switch found to be the same for all life

...ghout the genome. Furthermore, the highly packaged nature of eukaryotic genomes makes it difficult for these...r, Botchan and their colleagues also show how when nature finds a mechanism that works well, such a mechanism is conserved through evolution. Said Nogales...

Brighter future for giant panda?

...amboos found only in these mountains. This elusive nature has shielded important knowledge needed to save it from extinction, until now. Understanding population trends for giant pandas has been a major task for conservation authorities in China for the past thirty years, during which time three national ...

When the going gets tough, slime molds start synthesizing

...ke chemicals, what role do these molecules play in nature and how does the cellular machinery used to make them evolve over millions of years to provide new ways for the host organisms to survive and prosper. Understanding the diversity of natural chemicals and the machinery that produces them gives us a wi...

Study finds that a woman's chances of having twins can be modified by diet

...redity and environment, or in other words, by both nature and nurture," said Dr. Steinman. These findings are similar to those observed in cows by other researchers, namely that a woman's chance of having twins appears to correlate directly with her blood level of insulin-like growth factor. "Because multi...

Gene expression becomes heterogeneous with age in humans and rats

...pportunities to answer age-old questions about the nature of aging. ...

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