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Scientists watch as peptides control crystal growth with 'switches, throttles and brakes'

LIVERMORE, Calif. - By producing some of the highest resolution images of peptides attaching to mineral surfaces, scientists have a deeper understanding how biomolecules manipulate the growth crystals. This research may lead to a new treatment for kidney stones using biomolecules.

Researchers identify role of gene in tumor development, growth and progression

RICHMOND, Va. (Nov. 20, 2009) -- Virginia Commonwealth University Massey Cancer Center and VCU Institute of Molecular Medicine researchers have identified a gene that may play a pivotal role in two processes that are essential for tumor development, growth and progression to metastasis.

UT Southwestern scientist begins to unravel what makes pandemic H1N1 tick

DALLAS -- Nov. 16, 2009 -- As the number of deaths related to the pandemic H1N1 virus, commonly known as "swine flu," continues to rise, researchers have been scrambling to decipher its inner workings and explain why the incidence is lower than expected in older adults.

Scripps team shows diet switching can activate brain's stress system, lead to 'withdrawal' symptoms

LA JOLLA, CA, November 9, 2009 - In research that sheds light on the perils of yo-yo dieting and repeated bouts of sugar-bingeing, researchers from The Scripps Research Institute have shown in ani

DNA molecules in moss open door to new biotechnology

Plasmids, which are DNA molecules capable of independent replication in cells, have played an important role in gene technology.

Flemish researchers develop revolutionary technology for use in plant breeding

One of the greatest challenges of this century is making the food supply secure in a world that finds itself under increasing pressure from the growing population, changing food patterns and changi

Researchers unlock the 'sound of learning' by linking sensory and motor systems

Learning to talk also changes the way speech sounds are heard, according to a new study published in Proceedings of the National Academy of Sciences by scientists at Haskins Laboratories, a

There's a speed limit to the pace of evolution, Penn biologists say

PHILADELPHIA ?- Researchers at the University of Pennsylvania have developed a theoretical model that informs the understanding of evolution and determines how quickly an organism will evolve using

Study finds lack of VEGF can cause defects similar to dry macular degeneration

Boston, MA -- Scientists at Schepens Eye Research Institute have found that when the eye is missing a diffusible form of vascular endothelial growth factor (VEGF), i.e.

Geologists studying groundwater arsenic levels in India empower Bengali women, children

A Kansas State University geologist and graduate student are finding that the most important tools in their fieldwork on groundwater arsenic pollution are women and children armed with pamphlets and testing kits.

Are humans still evolving? Absolutely, says a new analysis of a long-term survey of human health

Durham, NC -- Although advances in medical care have improved standards of living over time, humans aren't entirely sheltered from the forces of natural selection, a new study shows.

Scientists demonstrate link between genetic defect and brain changes in schizophrenia

CHAPEL HILL -- For decades, scientists have thought the faulty neural wiring that predisposes individuals to behavioral disorders like autism and psychiatric diseases like schizophrenia must occur during development. Even so, no one has ever shown that a risk gene for the disease actually disrupts brain development.

Loss of tumor supressor gene essential to transforming benign nerve tumors into cancers

Researchers at UCLA's Jonsson Comprehensive Cancer Center showed for the first time that the loss or decreased expression of the tumor suppressor gene PTEN plays a central role in the malignant transformation of benign nerve tumors called neurofibromas into a malignant and extremely deadly form of sarcoma.



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