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Phys.org / 'Conflict entrepreneurs': Examining divisive political rhetoric and the pursuit of celebrity by politicians

American politics is increasingly characterized by high levels of polarization and divisive rhetoric, despite stated preferences among voters for civility and substantive debate. Sean J. Westwood and colleagues sought to ...

1 hour ago
Phys.org / Quantum-inspired laser system delivers distance measurements with sub-millimeter accuracy

A new laser range-finding technique, inspired by quantum physics, that can measure distances under strong solar background has been demonstrated by researchers at the University of Bristol. The team has proved their hypothesis ...

1 hour ago
Phys.org / 'Rock clock' refines time measurement of Earth's early complex animal life

How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock clock" that allows major ...

2 hours ago
Medical Xpress / Trends in youth mental health from 1990 to 2021 reveal a pandemic-era surge

Adolescence, the stage of development between childhood and adulthood, is characterized by many profound physical, mental, and emotional changes. During this critical stage, young people can experience various difficulties ...

3 hours ago
Medical Xpress / Hidden drug reservoirs in cancer cells could explain treatment resistance

One of oncology's biggest challenges is that the same treatment can work well for some patients but fail completely in others. A study published in Nature Communications, by a multidisciplinary team led by Dr. Louise Fets ...

2 hours ago
Tech Xplore / Compostable robot endures over 1 million uses before becoming plant food

The rapid proliferation of robots and electronic devices is placing the world under a new and growing environmental burden. According to the United Nations Institute for Training and Research (UNITAR), global electronic waste ...

2 hours ago
Phys.org / Physicists trace the sun's magnetic engine, 200,000 kilometers below its surface

Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense magnetic activity and often trigger solar eruptions—appear at mid-latitudes and migrate toward the ...

2 hours ago
Phys.org / New DNA evidence reveals the complex origin of Palau's first settlers

A new genetic study published in the journal Cell is filling in some important details about the earliest inhabitants of Palau, an island nation in the western Pacific Ocean consisting of approximately 340 islands.

4 hours ago
Phys.org / AI model improves flood forecasting with higher accuracy than current methods

New paired studies from the University of Minnesota Twin Cities show that machine learning can improve the prediction of floods. The studies, published in Water Resources Research and the Proceedings of the IEEE International ...

2 hours ago
Tech Xplore / Record efficiency achieved for perovskite-silicon triple-junction solar cells

Researchers from the Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) in EPFL's School of Engineering and CSEM have developed a new solar cell that combines exceptional voltage, high efficiency, and scalable manufacturing. ...

2 hours ago
Phys.org / Graphene sensors stay stable in liquids, boosting sensitivity up to 20 times

Accurately measuring small shifts in biological markers, like proteins and neurotransmitters, or harmful chemicals in the water supply, can identify critical problems before they have a chance to impact patients or the environment. ...

1 hour ago
Medical Xpress / Could an anti-aging therapy worsen myelin loss? Findings raise caution and MS clues

A two-drug combination frequently used in anti-aging research causes brain damage in mice, report University of Connecticut researchers in the Proceedings of the National Academy of Sciences. The findings, titled "Senolytic ...

1 hour ago