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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 ...
Phys.org / 'Starwashing': How space companies use the greenwashing playbook while causing environmental damage
From launchpads to low Earth orbit and beyond, space companies and their affiliates are deploying a familiar marketing tactic—with a new twist. In a space economy projected to reach US$1.8 trillion by 2035, they sell space ...
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 Outdated ideas about antibiotics are common, study says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 / Brain inflammation may cast a long dementia shadow in older survivors of encephalitis
Encephalitis is a serious condition in which an infection or autoimmune response triggers inflammation of the brain. The resulting swelling can disrupt normal brain function, causing neurological changes such as confusion, ...
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.
Phys.org / Why some male anglerfish parasitically fuse with females
Reproduction is central to the survival of all living organisms. Over millions of years, animal species on Earth have evolved a remarkable variety of mating strategies, ranging from physical fights with competitors to mesmerizing ...
Phys.org / Unfamiliar with rattlesnakes, blackbirds still avoid striking them while defending nests
In a rare study of snakes as nest predators, scientists found nesting birds were loath to strike rattlesnakes even though they likely had no previous experience with vipers.
Phys.org / Muon g-2 experiment places new constraints on a forbidden property of muons
A year after its final muon magnetic anomaly announcement, the Muon g-2 collaboration reports a new measurement of a different property of the muon: its electric dipole moment. The work is published on the arXiv preprint ...
Medical Xpress / Waist size is a powerful indicator of health risks, researchers find
Measuring waist size may be one of the simplest and most effective ways to detect obesity-related health risks, according to a study by Rutgers Health researchers.
Medical Xpress / Prostate cancer prognosis linked to prostate-specific antigen levels below threshold
After treatment for metastatic prostate cancer, a drop in prostate-specific antigen (PSA) levels in the blood is an indicator that treatment is working. A recent real-world study indicates that reaching a PSA level below ...
Medical Xpress / Sweat sensor enables continuous noninvasive measurement of cholesterol
If you see a doctor regularly, chances are you have had a lipid panel ordered and your blood drawn at a lab. The results told your physician your levels of cholesterol and triglycerides, factors that play a role in diagnosing ...
