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Phys.org / Portugal's ancient giant bears shrank over thousands of years and humans may be to blame
About 22,000 years ago, a giant brown bear lumbered across what is now Portugal. The creature weighed around 385 kg (about 850 pounds), making it one of the largest of its kind ever found, dwarfing even the largest brown ...
Phys.org / The human side of animal health: Global review reveals new insights to achieving better biosecurity
When it comes to protecting livestock from devastating diseases, simply telling people what to do may not be enough. A new review led by a researcher from the University of Vermont and collaborators from two institutions ...
Medical Xpress / Motor abnormalities predict mental illness in both general and specific symptoms
Motor issues—such as coordination problems, motor slowing or sudden, uncontrolled movements—have been recognized as signs of psychological disorders since the 1800s. How they map to mental health conditions, however, remains ...
Phys.org / Study spotlights human toll of abrupt U.S. foreign aid cuts
In January 2025, the Trump administration announced a 90-day freeze on all United States government (USG) foreign aid, which subsequently became a permanent shutdown of USAID in July 2025. New research finds that the abrupt ...
Science X / Tiny tree snails make historic comeback 40 years after vanishing from the wild
After more than a decade of work to return captive-bred Partula snails to the forests of Moorea, scientists finally found the evidence they had been hoping for. In 2024, scientists evaluating a release site found the first ...
Phys.org / Orcas filmed ramming one of the world's heaviest fish so hard it explodes, possibly for fun
Orcas are known to be smart and ruthless hunters. They've been observed hunting a variety of prey, with some species, such as whales, larger than themselves. They use a wide range of strategies to hunt and kill prey, but ...
Phys.org / Striped or checkered? Magnetic field influences competing electronic patterns in a graphene-like quantum material
In most everyday materials, such as copper, silver and silicon, the behavior of electrons is relatively predictable. In quantum materials, however, electrons can interact in complex ways, giving rise to collective electronic ...
Phys.org / National food waste recycling promises major climate gains but comes with microplastic risks
Keeping food waste out of landfills provides climate and other environmental benefits, and Vermont requires residents to divert these materials to better management pathways. With other states considering similar policies, ...
Medical Xpress / Drug temporarily reverses autism-like brain changes in adult mice within hours
A new mouse study led by UCLA Health suggests that inflammation during pregnancy can trigger autism-like changes in offspring, but those brain and behavioral effects may be rapidly, though temporarily, reversible in adulthood ...
Phys.org / Quantum internet leaves the lab with first real-world entanglement over busy telecom fiber
Quantum information is notoriously fragile. Internet traffic is anything but. Yet Northwestern University scientists have demonstrated they can peacefully coexist inside the same fiber-optic cable.
Tech Xplore / AI catches up with humans to score 100% at top math contest
A perfect score at the world's most prestigious math contest used to be the preserve of a handful of bright young minds each year, but for the first time, artificial intelligence has also earned a perfect score.
Medical Xpress / Imaging platform captures electrical activity from nearly 200 neurons deep in living brain tissue
The brain is a vast, densely interconnected network of neurons computing in parallel. Watching these computations unfold in real time could reveal how the brain processes sensation and guides behavior. But the electrical ...
