All News
Phys.org / Theoretical framework expands directional light control beyond ordered crystal structures
A research team has developed a new theoretical framework that can suppress light scattering in certain directions while enhancing it in others, even in irregularly arranged materials. The work extends research on controlling ...
Medical Xpress / Always finish your antibiotics? Longer is better? Outdated ideas about antibiotics are common, study says
"Always finish your antibiotics" is no longer considered medical best practice for all conditions. Surprised? You're not alone.
Medical Xpress / More than half of hippocampal synapses vanish, yet mouse memories remain intact
How do we remember the distant past? For decades, scientists have believed synaptic potentiation—the adaptive strengthening of our brain's cellular connections—to be the key to memory retention. Researchers from the Okinawa ...
Phys.org / Climate change decided who ruled as top predator 35 million years ago
An international team of researchers from Belgium, France, Switzerland, Spain and the U.S. has reconstructed the evolution of body mass in carnivorous mammals during the Paleogene—a crucial window in the diversification of ...
Medical Xpress / Quitting alcohol changes the brain and can increase the risk of compulsive drinking—new research in mice
For some, abstaining from alcohol can subsequently increase compulsive drinking. Our research team found that, in abstaining mice, this urge to drink is preceded by changes in the activity of a particular brain region, pointing ...
Phys.org / Mutation hotspots help 'friendly' viruses outmaneuver the bacteria in your gut
Every 15 minutes, someone in the U.S. dies from a drug-resistant superbug. A few decades from now, antibiotic-resistant bacterial infections threaten to become the leading cause of death worldwide, outpacing cancer.
Medical Xpress / Winter is coming: How vaccines help protect against respiratory illness
August is National Immunization Awareness Month—the perfect time to prepare for the viruses and bacteria that spread each fall and winter.
Phys.org / Historical DNA reveals largetooth sawfish have lost much of their genetic diversity
The genetic diversity of the largetooth sawfish (Pristis pristis), a critically endangered ray, has plummeted over the past century and a half, according to a study published in the Proceedings of the Royal Society B: Biological ...
Phys.org / Hurricane Hunter data reveal early signs of strengthening tropical cyclones
Before tropical cyclones can significantly strengthen, they generally must first become vertically aligned, with their rotating centers stacked through the atmosphere. New research using nearly three decades of NOAA Hurricane ...
Phys.org / Bringing butterflies back from the brink of extinction
On a summer day in Michigan, a tiny Poweshiek skipperling butterfly—smaller than a quarter—takes flight over a restored prairie.
Medical Xpress / States enact emergency orders on kratom while awaiting federal rules
States are moving faster and further than federal regulators to get kratom off store shelves, with some banning the herb outright while a pending federal rule targets only one of its chemicals.
Phys.org / Bones of medieval kings saved from Spanish wildfire
Firefighters raced to save a 1,000-year-old monastery in northeastern Spain on Friday as a growing wildfire prompted the hasty removal of the bones of medieval monarchs buried there.
