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Phys.org / New genetic evidence from Stajnia Cave reveals the oldest Neanderthal group reconstructed in Central-Eastern Europe

An international study published in Current Biology presents the results of the analysis of ancient mitochondrial DNA obtained from eight Neanderthal teeth discovered in Stajnia Cave, Poland. For the first time, the research ...

17 hours ago
Phys.org / Hypertriton appears more tightly bound than expected, sharpening the picture of nuclear forces

An international research team of the A1 Collaboration at the Mainz Microtron (MAMI) of Johannes Gutenberg University Mainz (JGU) has succeeded in determining the binding energy of the hypertriton with unprecedented precision. ...

12 hours ago
Phys.org / Why ultrashort laser pulses could make low-power electron sources far more practical

A new theoretical study finds shorter laser pulses achieve higher quantum efficiency for photoemission from a solid surface without increasing power or intensity. Using light to knock electrons loose from a surface—known ...

11 hours ago
Medical Xpress / Serotonin spikes may worsen tinnitus by directly activating the brain's auditory circuit

The same neurotransmitter commonly leveraged to relieve symptoms of depression and anxiety also may exacerbate a vexing condition known as tinnitus, according to new research published in the Proceedings of the National Academy ...

13 hours ago
Phys.org / Large mammal declines reshape nutrient flows in African savannas—with consequences for tadpoles

A new study led by researchers from the Museum für Naturkunde Berlin reveals how the loss of large mammals can ripple through ecosystems in unexpected ways, even affecting amphibian larvae living in temporary ponds. By examining ...

7 hours ago
Phys.org / AI model accurately predicts the spread of wildfires in real time

USC researchers are developing a computational model that combines satellite data and physics-based simulations to forecast a wildfire's path, intensity, and growth rate. If you've ever been evacuated from your home during ...

12 hours ago
Phys.org / Single mathematical model helps solve a decades-old puzzle involving ultrafast lasers

A team of international researchers, including an Aston University researcher, has cracked the code on how "breather" laser pulses work, creating a single mathematical model that explains two completely different laser behaviors ...

12 hours ago
Phys.org / Australia's truffle industry may owe part of its success to a surprising underground secret

Imagine ordering a truffle dish in a fancy restaurant, and you might picture pricey gourmet mushrooms from France or Italy. But recent decades have seen an upstart on the truffle scene. Today, one of the world's largest producers ...

13 hours ago
Phys.org / AI algorithm identifies cells across diverse biological images, cutting hours of manual labeling

Imaging is a critical technique in biology—from identifying cancerous cells in biopsies to observing how immune cells like macrophages hunt down and destroy pathogens. Traditionally, distinguishing and labeling individual ...

11 hours ago
Medical Xpress / A new skin-hugging heart monitor material could make long-term ECG tracking far more comfortable

Researchers have created heart monitoring sensors that conform to the skin, are comfortable, and can be worn while people are moving. With performance comparable to sensors already on the market, the new technology can be ...

12 hours ago
Phys.org / A protein engineering method may lead to more exact cancer treatments

Enzymes called proteases act like molecular scissors for proteins in the body and play a role in therapies to stop viruses from replicating and to kill cancer cells. The development of these medicines, however, has been slowed ...

12 hours ago
Medical Xpress / How to remove a metabolic tattoo: Scientists find protective mechanism in T cell purine pathways

While modern life includes many conveniences, humans are still incessantly exposed to a variety of metabolic stresses we have never experienced before. Our immune systems are constantly trying to protect us, and CD8⁺ T cells ...

11 hours ago