All News

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 ...

20 hours ago
Medical Xpress / AI-driven tool significantly personalizes antidepressant treatment, international trial finds

An AI-driven tool that tailors antidepressant treatment to individual patients was shown to improve outcomes for people with depression, compared to standard treatment, in a major international trial. It is the first time ...

17 hours ago
Medical Xpress / Immune cells in the brain may tune fertility hormones, animal study suggests

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a hormone that activates the hypophysis, at the base of the skull, which then releases other hormones ...

16 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 ...

19 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 ...

18 hours ago
Medical Xpress / Power outages linked to more emergency hospital visits for older adults

Adults over age 65 experience greater numbers of emergency hospitalizations for cardiovascular and respiratory diseases during and after power outages, reports a new study by Heather McBrien of Columbia Mailman School of ...

16 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. ...

17 hours ago
Phys.org / Self-regenerating catalyst restores its own performance, advancing CO₂ conversion technology

Technologies that convert carbon dioxide (CO₂) emitted from factories and power plants into useful chemical feedstocks are considered key to achieving carbon neutrality. However, rapid degradation of catalyst performance ...

20 hours ago
Medical Xpress / From Japanese walking to 75 Hard: What the science really says about viral fitness trends

If TikTok fitness advice is to be believed, you should be interval walking like the Japanese, hanging from a pull-up bar every day and committing to a 75-day challenge with no rest days. Some of these trends are grounded ...

9 hours ago
Phys.org / Three new rock monitor lizard species discovered in northern Queensland

Three striking new species of rock-dwelling monitor lizards have been formally described from the savannas of northeastern Queensland, revealing a previously unrecognized evolutionary lineage. The discovery, led by researchers ...

10 hours ago
Medical Xpress / Why hot, polluted weeks may be a critical window for suicide prevention

Suicide rates in the U.S. have been steadily rising since the late 1990s, leading to an urgent need to understand what's putting people at risk. Risk factors include high air pollution and hot temperatures, which have each ...

9 hours ago
Medical Xpress / Psychiatric self-admission may cut stress and reduce emergency visits, study suggests

Patients with experience of self-admission describe increased autonomy, improved conditions for recovery and reduced strain in relationships with relatives. They also report that access to self-admission provides a greater ...

8 hours ago