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Phys.org / Seals and sea lions provide clues to evolution of vocalization

Neuroscientists have uncovered new insights into a key evolutionary question: Why can humans talk when most animals can't? The journal Science published the research led by Emory University and the New College of Florida. ...

4 hours ago
Medical Xpress / Certain neurons are especially susceptible to ALS and frontotemporal dementia, researchers discover

Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) belong to a spectrum of neurodegenerative diseases with overlapping symptoms, characterized by muscle wasting, paralysis, dementia, and other serious impairments. ...

8 hours ago
Phys.org / Diatom-based microrobots show promise for targeted photodynamic therapy of glioblastoma

Researchers in China have developed magnetically controlled microrobots made from diatoms for the treatment of glioblastoma using photodynamic therapy. These microrobots exhibit excellent magnetic responsiveness and programmable ...

9 hours ago
Medical Xpress / Spousal loss linked to higher risk of dementia and mortality among men, but not women

The loss of a spouse is an incredibly emotional and stressful experience, and as populations continue to live longer lives, more couples will experience this distress. But spousal bereavement appears to affect genders differently, ...

4 hours ago
Phys.org / Selfish sperm hijack Overdrive gene to kill healthy rivals

A new University of Utah-led study has discovered the mechanism behind a decades-old evolutionary mystery—how "selfish chromosomes" cheat the rules of genetic inheritance. The researchers found that rogue chromosomes hijack ...

12 hours ago
Phys.org / Uncovering a patchwork of fresh and salty groundwater beneath Great Salt Lake's south shore

Thanks to upstream diversions and climate change, Utah's Great Salt Lake has shrunk by 70% since 1989, exposing about 800 square miles of playa and mudflats—along with numerous curiosities. While a potential environmental ...

10 hours ago
Medical Xpress / Federal drug price reforms are improving medication adherence, new study finds

More than 1 in 4 U.S. adults struggle to afford their prescription medications. Those who can't are left with grim choices—such as skipping doses, cutting pills in half, or abandoning prescriptions entirely—that can come ...

8 hours ago
Phys.org / Meet Crocodylus lucivenator, a 12- to 15-foot predator that hunted iconic Lucy's species

More than 3 million years ago, when our ancient ancestors embodied by the iconic Lucy were roaming the African landscape, they would have feared a big, bad crocodile with a prominent lump on its head, patiently lurking in ...

20 hours ago
Phys.org / NASA clears its Artemis moon rocket for an April launch with four astronauts following repairs

NASA cleared its moon rocket on Thursday for an April launch with four astronauts after completing the latest round of repairs.

5 hours ago
Phys.org / Webb spots details in nearby spiral galaxy NGC 5134

Two powerful instruments of the NASA/ESA/CSA James Webb Space Telescope joined forces to create this scenic galaxy view. This spiral galaxy is named NGC 5134, and it is located 65 million light-years away in the constellation ...

5 hours ago
Medical Xpress / Intensive therapy approaches show benefits for infants and toddlers with cerebral palsy

Infants and toddlers with unilateral cerebral palsy, which affects the brain's control of muscles on one side of the body, show lasting improvements in hand and arm function when they receive early, high-dose therapy, according ...

4 hours ago
Phys.org / Astronomers discuss fortifying our planetary defenses

When people think of asteroids, they tend to picture rare, civilization-ending impacts like those depicted in movies such as "Armageddon." In reality, the asteroids most likely to affect modern society are much smaller. While ...

11 hours ago