Scientists say that a type of rock found in the Mideast nation of Oman and other areas around the world could be harnessed to soak up huge quantities of globe-warming carbon dioxide. Their studies show that the rock, known as peridotite, reacts naturally at surprisingly high rates with CO2 and that the process could be [...]
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A link between the immune system and the self-cleaning system by which biological cells rid themselves of obsolete or toxic parts may one day yield new weapons in the fight against tuberculosis and other deadly infectious diseases. Berkeley Lab researchers have discovered proteins residing in both systems that point to “cross-talk” between them.
The ozone hole over Antarctica, which fluctuates in response to temperature and sunlight, grew to the size of North America in a one-day maximum in September that was the fifth largest on record, since NOAA satellite records began in 1979.
Scientists have discovered a mechanism by which intracellular pathogens can shut down one of the body’s key chemical weapons against them: nitric oxide.
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When a dividing cell duplicates its genetic material, a molecular machine called a sliding clamp travels along the DNA double helix, tethering the proteins that perform the replication. Researchers have discovered a small molecule that stops the sliding clamp in its tracks.
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As the saying goes — blondes have more fun, but in the world of insects it may actually be the rare “redheads” that have the last laugh … at least in terms of evolution. A new study has discovered that genetic variation in an asexual insect — insects that reproduce by cloning themselves — is [...]
The search for a mysterious substance which makes up most of the universe could soon be at an end, according to new research.
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A new study shows that MRI scans used on multiple sclerosis patients to determine if the disease has affected gray matter in the brain can identify those at-risk for progression of disability.
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A new study underscores the danger of nighttime tornadoes and suggests that warning systems that have led to overall declines in tornado death rates might not be adequate for overnight events, which occur most frequently in the nation’s mid-South region.
In September 2007, a phase II HIV-1 vaccine trial was abruptly halted when researchers found that the vaccine may have promoted, rather than prevented, HIV infection. A new study shows how the vaccine could have enhanced HIV infection.
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