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Phys.org / Nash equilibria: The hidden math behind predator–prey behaviors

Animal survival depends on effective attack and defense strategies, yet how these behaviors arise remains unclear. Addressing this question, a recent study shows that predator and prey behaviors emerge naturally as stable ...

4 hours ago in Biology
Phys.org / Single enzyme streamlines production of all four RNA building blocks

A single enzyme that can generate all four nucleoside triphosphates, the building blocks of ribonucleic acid (RNA), has been identified by researchers at the Institute of Science Tokyo. The study was published online in the ...

4 hours ago in Biology
Medical Xpress / A balancing act: Dual mRNA markers in T cells act as a kill switch to prevent an overactive immune system

How do immune cells strike a balance, unleashing rapid attacks against pathogens or cancer, while avoiding damage to healthy cells? Research into an immune kill switch holds potential for controlling infections or preventing ...

3 hours ago in Immunology
Phys.org / Scientists may have discovered a new extinct form of life

Prototaxites are something of a prehistoric mystery. They were the first giant organisms on land, towering over ancient landscapes at heights of up to 8 meters. They had smooth trunk-like pillars and no branches, leaves or ...

9 hours ago in Biology
Phys.org / Social networks spanned thousands of square kilometers during the Upper Paleolithic period, study finds

Researchers from several European institutions, led by scientists from the University of Barcelona and the University of Alcalá, have demonstrated that the hunter-gatherers who inhabited the interior of the Iberian Peninsula ...

4 hours ago in Other Sciences
Phys.org / Arctic cloud and ice formation affected by Russian river runoff as region studied for first time

Organic matter carried in rivers to the Russian part of the Arctic Ocean may be creating more clouds and keeping the region cooler, a new study has found.

4 hours ago in Earth
Phys.org / AI method advances customized enzyme design

Enzymes with specific functions are becoming increasingly important in industry, medicine and environmental protection. For example, they make it possible to synthesize chemicals in a more environmentally friendly way, produce ...

4 hours ago in Chemistry
Phys.org / Experiment clarifies cosmic origin of rare proton-rich isotope selenium-74

Researchers have reported new experimental results addressing the origin of rare proton-rich isotopes heavier than iron, called p-nuclei. Led by Artemis Tsantiri, then-graduate student at the Facility for Rare Isotope Beams ...

4 hours ago in Physics
Phys.org / Crouzon syndrome diagnosed in a knight from the Order of Calatrava, killed in battle over 600 years ago

For the ArchaeoSpain research team, it was a day just like any other on their dig at the castle of Zorita de los Canes (Guadalajara). They were working at the Corral de los Condes, where some knights from the Order of Calatrava ...

5 hours ago in Biology
Phys.org / Human penis size influences female attraction and male assessment of rivals, study suggests

Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study by Upama Aich at the University of Western Australia and colleagues, published in PLOS Biology.

5 hours ago in Biology
Medical Xpress / Breast cancer study reveals synergistic effect of CDK2 and CDK4/6 combination therapy

A new preclinical study from researchers at The University of Texas MD Anderson Cancer Center, published in Nature Communications, identifies a powerful strategy to overcome drug resistance in breast cancer by simultaneously ...

4 hours ago in Oncology & Cancer
Medical Xpress / New study reveals widespread liver dysfunction in Down syndrome, suggests link to diet

Researchers at the University of Colorado Anschutz Linda Crnic Institute for Down Syndrome (Crnic Institute) have uncovered compelling evidence that individuals with Down syndrome experience significant alterations in liver ...