Uncategorized
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Looking for the brain’s g force
Controversial evidence suggests that a frontal-brain network underlies psychological measures of general intelligence.
By Bruce Bower -
When autism aids memory
People with autism may often have a superior memory for factual details, possibly because of their inability to use context in remembering information.
By Bruce Bower -
EarthLiving routes to toxic routs
Scientists are developing novel techniques for removing perchlorate, a potentially carcinogenic pollutant, from water.
By Janet Raloff -
EarthChina: A mercury megapolluter
China's heavy reliance on coal burning makes it a world leader in mercury air pollution.
By Janet Raloff -
EarthMethylmercury’s toxic toll
More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.
By Janet Raloff -
EarthWhen do EMFs disturb the heart?
Whether electromagnetic fields can blunt the healthy variability in heart rate may depend on an exposed individual being aroused or stressed during exposure.
By Janet Raloff -
TechThe Little Engines That Couldn’t
Tired of grinding their gears, micromachine researchers turn to surface science.
By Peter Weiss -
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PhysicsDevice Sees More inside Live Cells
A new type of optical microscope, which can discern objects smaller than a supposedly fundamental limit for visible-light viewing, may make it possible to see finer details of the insides of living cells.
By Peter Weiss -
AnimalsFlowers, not flirting, make sexes differ
Thanks to lucky circumstances, bird researchers find rare evidence that food, not sex appeal, makes some male and female hummingbirds look different.
By Susan Milius -
Sexual orientation linked to handedness
A metanalysis reveals right-handedness is more common among heterosexuals than homosexuals, suggesting a neurobiological basis for sexual orientation.
By Ruth Bennett -
E. coli toxin shows its deadly touch
A toxin from a bacterium that causes food poisoning appears to kill cells by interacting with a protein called Bcl-2.
By John Travis