Search results for nanograms

Nanomaterials Jul 31, 2026

Magnetic nanoparticles remove forever chemicals from water

PFAS, otherwise known as forever chemicals, have become commonplace in numerous everyday and industrial products. At the same time, they are some of the most problematic pollutants of our times: They are extremely durable, ...

Earth Sciences Jul 8, 2026

Nanoplastics found in Antarctic soils for first time, suggesting long-range atmospheric transport

Microplastic contamination has been a much-discussed topic over the last several years, but contamination from even smaller plastic particles represents another pressing issue. Nanoplastics—defined as being under a micrometer ...

Environment Jun 24, 2026

Heavy rain may be driving tire pollution into Florida waterways

Florida International University scientists have, for the first time, detected a toxic tire-derived chemical in Florida waterways and developed a new testing method that makes it easier to find and monitor the pollutant at ...

Biotechnology Jun 8, 2026

Agricultural waste can be used to clean wastewater

Water pollution caused by pharmaceuticals, pesticides and other organic contaminants is an increasing global issue, especially in regions with limited wastewater treatment infrastructure. A new doctoral thesis from Umea University ...

Ecology May 22, 2026

Human‑made chemicals are harming seals at the molecular level, study finds

Ringed seals are among the most common marine mammals in the Canadian Arctic. They strongly rely on sea ice as a habitat, breathing through holes they maintain in the frozen surface, giving birth in snow lairs and diving ...

Environment May 15, 2026

Researchers prove 'forever chemicals' can last longer than 3 decades

The fresh air, picturesque vistas and pristine bush of the Blue Mountains west of Sydney draw millions of visitors a year. Unfortunately, the Blue Mountains are also the site of a controversial investigation into water contamination ...

Environment May 12, 2026

Major survey of London tap water shows 'forever chemicals' within safe limits

A large study of London's tap water has revealed that trace amounts of PFAS "forever chemicals" are present, but their levels are within U.K. and EU safety limits. The analysis, led by researchers at Imperial College London ...

Environment Apr 16, 2026

A newly recognized pollutant is widely present in the atmosphere

A new study shows that a specific type of silicone, the so-called methylsiloxanes, is widely present in the atmosphere across diverse environments. Also, concentrations appear to be much higher than expected. According to ...

Plants & Animals Apr 16, 2026

Sex pheromone of a sandgrain-sized insect deciphered

Parasitic wasps of the genus Trichogramma are among the smallest insects in the world—yet they play an important role in natural ecosystems and agricultural landscapes as natural antagonists of pest species. Research teams ...

Environment Apr 9, 2026

High levels of forever chemicals found in Svalbard reindeer

Svalbard reindeer live in a place so remote they have actually evolved to become a subspecies. But that remoteness isn't enough to protect them from contaminants from the industrial world.

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