Phys.org news

Phys.org / Howler monkey ancestors began eating leaves 13 million years ago, changing course of primate history in South America

Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest known ancestors of the modern ...

16 hours ago
Phys.org / Corpses leave clues behind in the soil long after they're gone

It is not uncommon for a body to be moved after a murder, usually to hide or eliminate evidence. And while the Arizona desert may seem like the perfect place to commit such a crime, a new study shows that a cadaver can still ...

16 hours ago
Phys.org / AI weather models show promise for hurricane forecasts, but new study finds key physical limitations

Artificial intelligence is rapidly transforming weather prediction, enabling forecasts that once required hours of supercomputing time to run in just minutes. But as AI tools play an expanding role in high-stakes hazard modeling, ...

16 hours ago
Phys.org / Fiber setup compresses mid-infrared pulses to 187 femtoseconds using just 80 watts

Ultrashort mid-infrared (mid-IR) laser pulses are essential for applications such as molecular spectroscopy, nonlinear microscopy, and biomedical imaging, but their generation often relies on complex and power-intensive systems ...

17 hours ago
Phys.org / Simulations suggest a breakthrough in understanding how turbulence develops

A new study revisits a century-old question about how turbulence starts. The findings could potentially influence not only aircraft engineering but even the design of mechanical heart valves, and treatment of heart disease. ...

18 hours ago
Phys.org / Stacked quantum materials enable precise spin control without external magnetic fields

Spintronics—a technology that harnesses the electron's magnetic quantum states to carry information—could pave the way for a new generation of ultra-energy-efficient electronics. Yet a major challenge has been the ability ...

17 hours ago
Phys.org / Study finds nanocube cation exchange can begin on one face, not six

In a paper published today in Nature Synthesis, a team from the lab of University of Chicago Pritzker School of Molecular Engineering (UChicago PME) and Chemistry Department Prof. Paul Alivisatos explores the role of cation ...

16 hours ago
Phys.org / Fish study shows that sexual harassment behavior might matter for ecosystems

For decades, ecologists have known that how a species looks or eats affects its environment. But a new study by researchers at the University of California, Santa Cruz, shows that social behavior related to mating can be ...

17 hours ago
Phys.org / Florida's most at-risk bat moves into safer artificial roosts

Finding bats in the attic or under roof tiles is no homeowner's idea of fun. But Florida's endangered bonneted bats have few natural options left. With a dwindling number of large, old trees with cavities—their preferred ...

17 hours ago
Phys.org / Compact vacuum ultraviolet laser may improve nanotechnology and power nuclear clocks

Physicists at the University of Colorado Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies of its kind. The researchers say the device could ...

19 hours ago
Phys.org / Golden lancehead genome reveals how genes responsible for venom toxins evolved

A research team led by scientists at the Butantan Institute in São Paulo, Brazil, has completed the most extensive genetic sequencing of a jararaca viper to date. The focus of the study was the genome of the golden lancehead ...

18 hours ago
Phys.org / Female aggression, not just mate choice, may speed mosquitofish speciation

A new study reveals that behavioral isolation between populations of Bahamas mosquitofish is driven primarily by the actions of females—not just through mating choice behaviors, but also through sometimes violent resistance. ...

17 hours ago