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.
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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.
- Earth
Living routes to toxic routs
Scientists are developing novel techniques for removing perchlorate, a potentially carcinogenic pollutant, from water.
- Earth
China: A mercury megapolluter
China's heavy reliance on coal burning makes it a world leader in mercury air pollution.
- Earth
Methylmercury’s toxic toll
More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.
- Earth
When 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.
- Tech
The Little Engines That Couldn’t
Tired of grinding their gears, micromachine researchers turn to surface science.
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Pass the Genes, Please
Gene swapping muddles the history of microbes.
- Physics
Device 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.
- Animals
Flowers, 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.
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Sexual orientation linked to handedness
A metanalysis reveals right-handedness is more common among heterosexuals than homosexuals, suggesting a neurobiological basis for sexual orientation.
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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.
