News
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EnvironmentMolting seals shed mercury along with fur
Seals spew amassed mercury when they shed, creating hotbeds of pollution in otherwise pristine coastal environments.
By Beth Mole -
Materials ScienceGraphene shows signs of superconductivity
Ultrathin sheets of carbon can conduct electrical current with no resistance at low temperatures.
By Andrew Grant -
EnvironmentLatest BPA replacement seeps into people’s blood and urine
Replacements for BPA called BPS and BPSIP may raise health risks for cashiers.
By Beth Mole -
AstronomyFirst known exoplanets have few counterparts
The first known exoplanets were discovered around pulsars — probably one of the least likely places to have been found, astronomers now say.