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Medical Xpress / How the brain fine-tunes fear as threats fade

Researchers at Tulane University have identified brain circuits that help determine how fear responses change as perceived threats diminish, offering new insight into how the brain regulates defensive behavior and why those ...

Mar 26, 2026
Phys.org / How did Venus become a hellscape? 234,000 simulations reveal four possible paths

Venus is increasingly becoming a touch point for our studies of exoplanets, as missions like the James Webb Space Telescope (JWST) and the upcoming Habitable Worlds Observatory (HWO) begin to characterize rocky exoplanets ...

Mar 26, 2026
Phys.org / 'Cool' detectors cut neutrino mass upper limit by an order of magnitude

Their mass is extremely low, but how light are neutrinos really? A collaboration comprising German and international research groups has optimized its experiments to determine the mass of these "ghost particles." In doing ...

Mar 25, 2026
Tech Xplore / AI system learns to prevent warehouse robot traffic jams, boosting throughput 25%

Inside a giant autonomous warehouse, hundreds of robots dart down aisles as they collect and distribute items to fulfill a steady stream of customer orders. In this busy environment, even small traffic jams or minor collisions ...

Mar 26, 2026
Phys.org / Self-cleaning fabric could eliminate the need for detergent

Detergents may begin their journey by cleaning our clothes, but they end up contaminating the environment, flowing into rivers, ponds, and oceans, where they severely disrupt aquatic animal life. Even after wastewater treatment, ...

Mar 23, 2026
Phys.org / How plants stop growing to survive stress: Retired scientist's persistence reveals insight to boost farm yields

UC Riverside researchers have identified a mechanism that allows plants to rapidly slow growth in response to extreme environmental stress. The finding could help farmers grow more resilient crops, and one researcher continued ...

Mar 25, 2026
Phys.org / Shell-cracking turtles defied mass extinction at the end of the Cretaceous period

The mass extinction at the boundary between the Cretaceous and Paleogene periods was catastrophic, wiping out much of life on Earth. Vertebrate groups that dominated at the time, such as dinosaurs and many large marine reptiles, ...

Mar 25, 2026
Phys.org / A captive chimp's instrumental performances hint at the evolution of vocal externalization

In February 2023, a resident at Kyoto University's Center for the Evolutionary Origins of Human Behavior—EHUB—treated researchers to a spontaneous musical performance. Ayumu, a 26-year-old male chimpanzee, removed floorboards ...

Mar 25, 2026
Phys.org / RNA-guided CRISPR system activates gene expression

In back-to-back studies published in Nature, researchers from Purdue University and Columbia University report a naturally evolved gene-editing system that can activate genes, offering an advantage over existing CRISPR gene-editing ...

Mar 25, 2026
Phys.org / The hidden cost of sperm storage: Ejaculates found to deteriorate across the animal kingdom

Current World Health Organization (WHO) guidelines typically recommend two to seven days of abstinence before taking semen samples or assisted reproduction. However, a new study led by Oxford University researchers suggests ...

Mar 24, 2026
Phys.org / Laser-modified graphene enables molecule-thick films to grow only where needed

Researchers from the University of Jyväskylä and Aalto University have developed a new method based on laser modification, which allows metal-organic materials to be grown locally one molecule-thick layer at a time. The method ...

Mar 25, 2026
Phys.org / Microtubules discovered to play an active role in correctly distributing chromosomes during cell division

Microtubules, the dynamic filaments that form the cell's internal scaffolding, have long been viewed as mere passive structural supports. But a new study reveals they play a far more active signaling role. The findings, published ...

Mar 25, 2026