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Science X / The root of the problem: Ancient trees may have grown their roots backwards
Secrets about how giant trees grew in reverse can be found in fossil imprints of their roots. Micro-CT scanning shows that the roots were growing tip-to-tail like shoots.
Medical Xpress / Brain-based index may reveal Alzheimer's risk patterns in adults as young as 30
Over the past few decades, neuroscientists and medical researchers worldwide have been trying to leverage available health records, brain scans and other medical data to uncover biological markers associated with the onset ...
Phys.org / Medieval jaw reveals Scotland's first known dental bridge made from 20-carat gold
Without good dental care, teeth tend to suffer. An abundance of archaeological evidence has shown that poor oral health was common throughout history. And unsurprisingly, there have been many attempts at dental restoration ...
Phys.org / Tiny eggs may explain why ammonites vanished while nautiloids survived asteroid aftermath
Some of the most beautiful creatures to grace the ancient seas, the ammonites, disappeared in the end-Cretaceous mass extinction that finished off the dinosaurs 65.5 million years ago. "It's a tragic story, because this incredibly ...
Phys.org / Inexpensive material compresses light, paving the way for photonic microcircuits in the terahertz range
A two-dimensional lamellar crystal composed of atomically thin layers of lead iodide (PbI2) could be used to manufacture a new generation of circuits that use light and mechanical vibrations (rather than electrons) to transmit ...
Phys.org / Dog training choices may reflect owners' ethical views on animals
Whether a dog owner rewards their dog with a treat or corrects it by pulling on the leash is not simply a matter of what they believe to be the most effective training method. According to the study, owners' choice of training ...
Phys.org / Chemistry-aware AI can generate millions of plausible new molecules
Finding and developing new molecules is one of the great research endeavors of modern chemistry. From the development of new drugs to the creation of more sustainable materials, everything depends on finding new combinations ...
Phys.org / As sargassum floods Florida beaches, researchers uncover new use as food-grade ingredient
As record-breaking amounts of sargassum seaweed drift toward Florida's shores, researchers at Florida International University are exploring how the coastal nuisance could become a valuable ingredient in everyday foods.
Phys.org / AI is showing up in court cases, but only a human jury can grapple with the moral weight of assessing guilt
"Mercy," a film released in January 2026, depicts a dystopian Los Angeles in the near future: a city riddled with violence, homelessness, and civic disorder. California's response is to set up the Mercy Capital Court, run ...
Phys.org / The ocean system that shapes Europe's climate
For generations, the mild and temperate climate of northwestern Europe has been credited to one legendary force: the Gulf Stream. This idea is so deeply entrenched in our cultural identity that in James Joyce's Ulysses, the ...
Phys.org / The lasting appeal of homeschooling: What motivated families to continue after schools reopened post‑pandemic
When schools abruptly closed their doors at the onset of the COVID-19 pandemic in the spring of 2020, millions of students unexpectedly started learning at home, with or without the help of Zoom lessons.
Medical Xpress / A safe staffing policy for Pennsylvania could prevent deaths and produce savings to help fund improved staffing
A new study led by researchers from Penn Nursing's Center for Health Outcomes and Policy Research (CHOPR) finds that safer nurse staffing levels in Pennsylvania hospitals could prevent thousands of deaths each year while ...
