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Search results for nanograms

Space Exploration Dec 16, 2024

Antimatter propulsion is still far away, but it could change everything

Getting places in space quickly has been the goal of propulsion research for a long time. Rockets, our most common means of doing so, are great for providing lots of force but are extraordinarily inefficient. Other options ...

Environment Dec 12, 2024

Researchers develop faster hazardous spill response method

When responding to a hazardous spill, every second counts—and Purdue University researchers have found a way to maximize that time.

Astronomy Dec 4, 2024

Dynamic tracking technique can reduce noise in gravitational-wave detectors to peer deeper into the cosmos

Researchers have shown that optical spring tracking is a promising way to improve the signal clarity of gravitational-wave detectors. The advance could one day allow scientists to see farther into the universe and provide ...

Environment Nov 25, 2024

Firefighting foam contains more branched PFOA than anticipated

A new study has revealed there may be a significant underestimation of a specific type of PFAS "forever chemical" in the environment.

Agriculture Nov 20, 2024

Garden produce grown near Fayetteville works fluorochemical plant contains GenX, other PFAS

Residential garden produce grown near the Fayetteville Works fluorochemical plant can expose those who consume it to per- and polyfluoroalkyl substances (PFAS), according to a new study conducted by researchers from North ...

Ecology Nov 19, 2024

Experts study where microplastics are winding up—and what risks they pose

While photos of littered beaches and floating garbage patches are unsettling, perhaps the most problematic plastic is barely visible to the naked eye. Called microplastics—chunks less than 5 millimeters across—these bits ...

Materials Science Oct 14, 2024

New technologies could help destroy persistent 'forever chemicals'

Scientists and engineers are developing new ways to destroy per- and poly-fluoroalkyl substances (PFAS) efficiently and sustainably. This class of chemicals is known as "forever chemicals" because PFAS persist and accumulate ...

Earth Sciences Oct 10, 2024

Study finds it could take over 40 years to flush PFAS out of groundwater

Per- and polyfluoroalkyl chemicals, known commonly as PFAS, could take over 40 years to flush out of contaminated groundwater in North Carolina's Cumberland and Bladen counties, according to a new study from North Carolina ...

Ecology Oct 8, 2024

Dogs contaminate London ponds with parasite medications, finds study

A study on Hampstead Heath shows that ponds where dogs are allowed to swim contain levels of two pesticides harmful to invertebrate life.

Bio & Medicine Oct 6, 2024

Paper-based sensor offers rapid cardiac diagnostics in 15 minutes

In a significant advancement for point-of-care medical diagnostics, a team of researchers from UCLA has introduced a deep learning-enhanced, paper-based vertical flow assay (VFA) capable of detecting cardiac troponin I (cTnI) ...

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