Newly discovered mechanism allows cells to change state
Cells are not static. They can transform themselves over time — but change can have dangerous implications. Benign cells, for example, can suddenly change into cancerous ones.
Cells are not static. They can transform themselves over time — but change can have dangerous implications. Benign cells, for example, can suddenly change into cancerous ones.
Cell & Microbiology
Dec 9, 2009
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(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing courtship dances ...
Plants & Animals
Dec 9, 2009
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A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal Chemical Research ...
Biochemistry
Dec 9, 2009
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Scientists are adding additional brush strokes to the revolutionary new image now emerging for star-shaped cells called astrocytes in the brain and spinal cord. Their report, which suggests a key role for astrocytes in morphine's ...
Biochemistry
Dec 9, 2009
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Astronauts returning from challenging long-duration missions face one more challenge when they get back to Earth - standing up and walking.
Space Exploration
Dec 9, 2009
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Deforestation in tropical rain forests could have an even greater impact on climate change than has previously been thought. The combined biomass of a large number of small forest fragments left over after habitat fragmentation ...
Environment
Dec 9, 2009
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The castration of pigs prevents the "boar taint" smell in the meat and allows them to contain more fat. However in practice this can be very different. Now, for the first time, a scientific team has collected information ...
Plants & Animals
Dec 9, 2009
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(PhysOrg.com) -- Recent studies show that one in three Canadians suffer from stress and the number is on the rise. But stress isn't a new problem.
Archaeology
Dec 9, 2009
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Rural industries, such as meat-packing and textile manufacturing, create job opportunities that have brought significant numbers of Latino workers and their families to small- and medium-sized towns. This influx of Latino ...
Social Sciences
Dec 9, 2009
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More than three decades ago, marine scientists in the United States first identified the need for a research vessel capable of bringing scientists to Alaska's icy northern waters.
Earth Sciences
Dec 9, 2009
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