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Tag: "more" at biology news

Brain's white matter -- More 'talkative' than once thought

...at nerves in the mammalian brain’s white matter do more than just ferry information between different brai...e, shows that brain cells “talk?with each other in more ways than previously thought. “We were surprised to see these nerve axons talking to other cells...

An ancient bathtub ring of mammoth fossils

...he mammoths and other creatures, and in turn learn more about the history of Ice Age flooding." Geologists suspect that most of the Ice Age floods in eastern Washington originated from glacial Lake Missoula. The lake formed behind ice that dammed the Clark Fork River. Sometimes the ice dam broke, relea...

Anthrax paralyzes immune cells with lethal toxin, UF research shows

...often die from shock before they realize they have more than a common cold. The current method of detecting anthrax relies on lab cultures that can take days to complete. "We're looking for approaches to detect anthrax earlier in the blood," said Russell During, Ph.D., a postdoctoral fellow at UF's Col...

New knowledge improves rice quality

...armers and at the same time provide consumers with more nutritious, better tasting food. New scientific k...ttracted 71 cereal chemists and other experts from more than 20 nations. "It’s very clear from the great response we got to the workshop that rice qual...

Scientists: As rainfall changes, tropical plants may acclimate

Tropical plants may be more adaptable than commonly thought to changing rainfa...ey switch to another form of nitrogen that becomes more available in those conditions. The findings, reported in paper set to appear this week in the onl...

New technique will produce a better chromosome map

...gigantic, "polytene" chromosomes, each built up of more than 1,000 parallel copies of DNA strands. When st... give the chromosomes a striped appearance. For more than 70 years, cytogeneticists have used a hand-drawn map of the bands of fruit fly polytene chromos...

Invasion of the island bats

...sification of hurricanes?threaten natural habitats more acutely than on the continent. ...

Healthy coral reefs hit hard by warmer temperatures

... infection called white syndrome in 48 reefs along more than 900 miles (1,500 kilometers) of Australia's c...ing coastal areas. "More diseases are infecting more coral species every year, leading to the global loss of reef-building corals and the decline of othe...

Genetic roots of bipolar disorder revealed by first genome-wide study of illness

...e of these genes could lead to development of new, more effective medications. The research was conducted...Children also may have the condition, usually in a more severe form than adults. "We're beginning to get a foothold on the genetics of this complex brain...

Risk of lymphoma increases with hepatitis C virus infection

...tates between 1996 and 2004. Researchers selected more than 700,000 records; 146,394 represented patients...phomas in HCV-infected patients was charted across more than five years of follow-up. "This is one of the largest studies ever conducted to look at the r...

Fat screen delivers plant-derived chemical with antidiabetic effects

...y pinpointed, known as harmine, was first isolated more than 150 years ago from plants traditionally inclu...might complement the use of preexisting drugs and, more generally, provides validation for fat cell screens as a promising strategy for identifying new meta...

Molecule that destroys bone also protects it, new research shows

...opposite result. The mice without IL-17 were much more susceptible to bone loss caused by periodontal disease, compared to normal mice. "What’s the difference between an autoimmune disease like RA and periodontal disease" Periodontal disease is an infectious disease, and as with most infectiou...

Scientists identify prion's infectious secret

...d, and likewise for the pathogenic fungi. Even more striking, Tessier could activate different recogni...quist say it is likely that natural prions contain more than one recognition element, and recognition elements can slide into a neighboring region. Many ext...

WHO data confirms low level of resistance to Tamiflu

...ved and fulfilled pandemic orders for Tamiflu from more than 80 countries worldwide. The magnitude of these orders varies with some countries, France, Finland, Iceland, Ireland, Luxembourg, Netherlands, New Zealand, Norway, Switzerland and UK stockpiling or intending to stockpile adequate quantities of Ta...

Diminishing dinosaur steps saved by laser and laptop

...nd eroding at a rapid rate. To make things even more difficult, the tracks are imprinted into near-vertical rock faces. Palaeontologists feared the tracks could be lost forever - but a permanent and detailed record has now been created using cutting-edge equipment. Using a high-tech laser scannin...

Double the death rate from cirrhosis for 'blue collar' men

...n about 15 percent of people who drink heavily for more than a decade ?three to four drinks a day for men ...stralia, alcohol has become relatively cheaper and more available. "It is already known that socio-economic inequalities in alcohol-related diseases are...

DNA repair proteins monitored at double-strand break

...This could lead to novel ways to make cancer cells more sensitive to therapy by blocking their ability to ...ks over time. The technique provides significantly more information about the proteins that repair DNA than is possible using the standard microscope-based ...

Survival of the rarest: Fruit flies shed light on the evolution of behavior

...cs that differ from the rest of the population are more likely to survive since their rarity makes them le...ing through a population that is already immune to more common strains of the virus. In this case, flies carry one of two versions of the foraging gene (eit...

World's leading scientists announce creation of 'Encyclopedia of Life'

... better conserve our natural heritage." "For more than 250 years, scientists have catalogued life, and our traditional catalogues have become unwieldy," said Ralph E. Gomory, President of the Alfred P. Sloan Foundation. "The Encyclopedia of Life will provide the citizens of the world a ‘macroscope?o...

LIAI scientists make important finding on cytomegalovirus transmission

...of the OX40 protein. OX40 helps T cells replicate more quickly, thus building the body’s ability to more effectively battle the virus. "We used this approach to tip the balance in favor of the T cells tha...

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