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Search results for nanograms

Environment Oct 1, 2024

Southern California study finds high levels of airborne plasticizers

A new study documents how Southern Californians are chronically being exposed to toxic airborne chemicals called plasticizers, including one that's been banned from children's items and beauty products.

Environment Sep 27, 2024

New approach reveals details about aerosol properties from hard-to-sample areas in the atmosphere

The spatial distribution of ambient aerosol particles plays a huge role in aerosol–radiation–cloud interactions; however, not enough sampling has been done from the atmospheric boundary layer and lower free troposphere. ...

Molecular & Computational biology Sep 27, 2024

Scientists uncover structural secrets of antiepileptic drugs

RIKEN researchers have discovered how the structure of drugs for treating epilepsy allows them to interact with a key protein found in synapses at the junctions of neurons. This knowledge could help to design even better ...

Plants & Animals Sep 17, 2024

A toxic chemical was blamed for killing thousands of Teesside crabs, but a study explains why pyridine isn't the culprit

In October 2021, thousands of dead and dying crabs and lobsters washed up along 45 miles (70km) of coastline in north-east England. This mass-mortality event coincided with the redevelopment of one of the UK's largest ports ...

Environment Aug 24, 2024

What exactly are 'forever chemicals'—and can we move beyond them?

The Australian parliament will conduct a national inquiry into the dangers of "forever chemicals."

Astronomy Aug 23, 2024

Professor proposes how a black hole in orbit around a planet could be a sign of an advanced civilization

In 1971, English mathematical physicist and Nobel-prize winner Roger Penrose proposed how energy could be extracted from a rotating black hole. He argued that this could be done by building a harness around the black hole's ...

Environment Jul 10, 2024

Europe's drinking water contaminated by 'forever chemical': NGOs

A large sample of European drinking water has detected a substance linked to "forever chemicals" used in pesticides and refrigeration, a coalition of non-governmental organizations said Wednesday.

Environment Jul 9, 2024

Lake and river foams study reveals high PFAS levels, even though underlying water may be less contaminated

According to a new study of rivers and lakes in Wisconsin, natural foams from these bodies of water contain much higher concentrations of per- and polyfluoroalkyl substances (PFAS) than the water below them.

Analytical Chemistry Jun 13, 2024

A first look inside radium's solid-state chemistry

For the first time in history, scientists have measured radium's bonding interactions with oxygen atoms in an organic molecule. Scientists have not measured this bonding before because radium-226 is available only in small ...

Plants & Animals Jun 12, 2024

Research finds dolphins with elevated mercury levels in Florida and Georgia

In a study with potential implications for the oceans and human health, scientists have reported elevated mercury levels in dolphins in the U.S. Southeast, with the greatest levels found in dolphins in Florida's St. Joseph ...

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