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Phys.org / Tightening the net around the elusive sterile neutrino

Neutrinos, though nearly invisible, are among the most numerous matter particles in the universe. The Standard Model recognizes three types, but the discovery of neutrino oscillations revealed they have mass and can change ...

14 hours ago in Physics
Tech Xplore / Guided learning helps previously 'untrainable' neural networks learn effectively

Even networks long considered "untrainable" can learn effectively with a bit of a helping hand. Researchers at MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) have shown that a brief period of alignment ...

12 hours ago in Computer Sciences
Medical Xpress / Chikungunya and dengue outbreak in Cuba has left 33 dead, officials say

A severe mosquito-borne virus outbreak in Cuba has led to dozens of deaths since midsummer, including many young children, health officials there have reported.

Phys.org / Climate-sensitive tropical pollinators require region-responsive conservation planning, study argues

Pollinators, including bees, butterflies, and beetles, shape global food production and support vast natural ecosystems. For years, efforts to protect these critical species have leaned on broad global targets and uniform ...

13 hours ago in Biology
Phys.org / Long-standing puzzle in electron scattering deepens with new measurement

Why does lead behave so differently from every other atomic nucleus when struck by electrons? A team of physicists at Johannes Gutenberg University Mainz (JGU) has taken an important step toward answering this question, only ...

15 hours ago in Physics
Phys.org / Heat can cut insect survival but boost reproduction, study shows

Rising global temperatures are changing the rules for survival—and reproduction—for many species. A new study from Saint Louis University reveals that predicting which species will persist under climate change is more ...

13 hours ago in Biology
Medical Xpress / Age-related muscle wasting tied to cell recycling defect

Two related studies published today in Nature Metabolism show that a specialized intracellular recycling mechanism—chaperone-mediated autophagy (CMA)—is essential for muscle health.

12 hours ago in Gerontology & Geriatrics
Phys.org / The bacteria that won't wake up: NASA discovers new bacteria 'playing dead'

New research conducted on a NASA-discovered bacterium shows the microbe is capable of entering an extreme dormant state, essentially "playing dead" to survive in some of the cleanest environments on Earth.

15 hours ago in Astronomy & Space
Tech Xplore / Alternative solvent helps produce environmentally-friendly tin perovskite solar cells

Perovskite solar cells are widely regarded as the next generation photovoltaic technology. However, they are not yet stable enough in the long term for widespread commercial use. One reason for this is migrating ions, which ...

13 hours ago in Energy & Green Tech
Phys.org / Kinetic decoupling-recoupling strategy enables 79% yield of ethylene and propylene from polyethylene

In a study published in Nature Chemical Engineering, a team has developed a kinetic decoupling-recoupling (KDRC) strategy that enables the conversion of polyethylene (PE) to ethylene and propylene with a yield of 79%.

14 hours ago in Chemistry
Phys.org / Solar wind storms may explain mystery surrounding Uranus' radiation belts

Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts around Uranus.

14 hours ago in Astronomy & Space
Medical Xpress / Family dogs boost adolescent mental health through the microbiome, study suggests

It's no surprise that dogs benefit people's mental health. In a paper published in iScience, researchers point to a reason as to why: dogs prompt changes in the collection of microbes that live in and on our bodies, resulting ...

14 hours ago in Psychology & Psychiatry