All News

Medical Xpress / Dopamine under control: Precision regulation of inhibition shapes learning, memory and mental health

For decades, dopamine has been celebrated in neuroscience as the quintessential "reward molecule"—a chemical herald of pleasure, motivation, and reinforcement. In popular understanding, higher dopamine levels were equated ...

1 hour ago in Psychology & Psychiatry
Medical Xpress / Hearing aid prescriptions not associated with changes in memory and thinking

A new study has found that for people with moderate hearing loss, being prescribed hearing aids had little impact on cognitive test scores. The study was published in Neurology.

1 hour ago in Neuroscience
Phys.org / Medieval burials shed light on Menga dolmen's multicultural significance over thousands of years

The Menga dolmen in Antequera, Spain, is a Neolithic monument and part of a UNESCO World Heritage site. The monument, built in the fourth millennium BCE, has seen continued use for burials and rituals through the Bronze Age, ...

4 hours ago in Other Sciences
Phys.org / Rocks and rolls: The computational infrastructure of earthquakes and physics of planetary science

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye view, studying the planet's ...

2 hours ago in Earth
Phys.org / CRISPR–Cas3 genome-editing system holds therapeutic potential

Genetic disorders occur due to alterations in the primary genetic material—deoxyribonucleic acid (DNA)—of an organism.

2 hours ago in Biology
Tech Xplore / Gaps between perception and reality might be putting the brakes on electric vehicle sales in rural areas

A University of Michigan survey of 1,000 rural Michigan residents reveals a striking gap between perception and reality when it comes to electric vehicles.

1 hour ago in Consumer & Gadgets
Phys.org / Jupiter's hidden depths: Simulation suggests planet holds 1.5 times more oxygen than the sun

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on the gas giant—so thick that no spacecraft has been able to measure exactly what lies beneath.

5 hours ago in Astronomy & Space
Phys.org / Woolly rhino genome recovered from Ice Age wolf stomach

Researchers from the Center for Paleogenetics have managed to analyze the genome from a 14,400-year-old woolly rhinoceros, recovered from a tissue sample found preserved inside the stomach of an ancient wolf.

5 hours ago in Biology
Phys.org / Bulk inorganic crystals grown from water emit 'handed' light

Researchers at Kumamoto University have discovered that a purely inorganic crystal grown from water solution can emit circularly polarized light, a special form of light whose "handedness" distinguishes left from right.

2 hours ago in Chemistry
Phys.org / Researchers film foraging strategy of wood mice choosing between healthy and moth-damaged chestnuts

A mouse scurries up to six chestnuts. Three look healthy. Three have exit holes where moth larvae ate the insides before they left. What does the mouse do?

3 hours ago in Biology
Medical Xpress / Researchers revive an abandoned depression drug target using structurally novel NK1 receptor inhibitors

For decades, scientists have investigated the neurokinin-1 receptor (NK1R) as a potential target for treating major depressive disorder. Early studies suggested promise, but enthusiasm faded after clinical trials of drugs ...

1 hour ago in Medications
Medical Xpress / Glucocorticoid injection shows little benefit for knee osteoarthritis, clinical trial finds

Researchers in China have found no statistically significant advantage for infrapatellar fat pad glucocorticoid injection over saline for 12-week knee pain change or effusion synovitis volume change in inflammatory knee osteoarthritis.

4 hours ago in Arthritis & Rheumatism