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Phys.org / Important new source of oxidation in the atmosphere found

Hydroperoxides are strong oxidants that have a significant influence on chemical processes in the atmosphere. Now, an international research team involving the Leibniz Institute for Tropospheric Research (TROPOS) has shown ...

20 hours ago in Earth
Phys.org / Vulnerable populations shoulder larger number and higher intensity of environmental burdens, study finds

Vulnerable communities in the United States often face the highest risks from individual environmental burdens, such as exposure to toxic air pollutants. But new research shows that these communities are also exposed to a ...

21 hours ago in Earth
Phys.org / Laser pulse 'sculpting' unlocks new control over particle acceleration

In high-intensity laser–matter interactions, including laser-induced particle acceleration, physicists generally want to work with the highest possible focused laser peak power, which is the ratio of energy per unit area ...

21 hours ago in Physics
Phys.org / Engines of light: New study suggests we could increase useful energy obtained from sunlight

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one of science's oldest challenges—how to turn heat into useful energy.

22 hours ago in Physics
Phys.org / New chemical method makes it easier to select desirable traits in crops

Crops increasingly need to thrive in a broader range of conditions, including drought, salinity, and heat. Traditional plant breeding can select for desirable traits, but is limited by the genetic variation that already exists ...

21 hours ago in Biology
Phys.org / System can diagnose infections in 20 minutes, aiding fight against drug resistance

A new technique which slashes the time taken to diagnose microbial infections from days to minutes could help save lives and open up a new front in the battle against antibiotic resistance, researchers say.

23 hours ago in Biology
Tech Xplore / Perovskite solar cells maintain 95% of power conversion efficiency after 1,100 hours at 85°C with new molecular coating

Scientists have found a way to make perovskite solar cells not only highly efficient but also remarkably stable, addressing one of the main challenges holding the technology back from widespread use.

22 hours ago in Engineering
Medical Xpress / How your brain keeps time: Consistent probability calculations help you react rapidly

Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen events unfolding within hundreds of milliseconds or over several seconds. A boxer anticipates an opponent's ...

21 hours ago in Psychology & Psychiatry
Phys.org / Seaweed farms boost long-term carbon storage by altering ocean chemistry, study shows

Seaweeds are versatile algae. They are sources of food, medicine, and many other products, and they have the added benefit of being extremely efficient at removing CO2 from the atmosphere as they grow.

22 hours ago in Earth
Tech Xplore / Discrete spatial diffusion models data while obeying scientific principles

Researchers at Los Alamos National Laboratory have developed a new approach that addresses the limitations of generative AI models. Unlike generative diffusion models, the team's Discrete Spatial Diffusion approach honors ...

20 hours ago in Computer Sciences
Medical Xpress / SARS-CoV-2 is on the decline in animals, researchers find

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human animal species. This included many wild animal species as well as domestic animals such as dogs and ...

Phys.org / Identifying where lithium ions reside in a new solid-state electrolyte that could lead to improved batteries

Recent research published in Science introduces a promising solid electrolyte material that could improve the performance of next-generation lithium batteries, particularly at lower temperatures. Illinois Institute of Technology ...

20 hours ago in Chemistry