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Medical Xpress / New study raises concerns over use of weight-loss drugs in elite sport

Researchers surveyed 114 sports medicine physicians from 38 countries, covering 93 different sports, to explore their views on athletes' use of GLP-1 drugs. Twelve percent said they were aware of athletes using the medications ...

56 minutes ago
Phys.org / Interstellar travel IV: Solar, magnetic, & directed-energy sails

Welcome back to our series on interstellar travel! In our first installment, we examined attempts to realize nuclear propulsion and how the technology could be used to reach the nearest star. In our second, we examined how ...

36 minutes ago
Medical Xpress / Thinking and moving tasks surpass crossword puzzles at brain health

Dementia can be brewing in the background for years before the telltale signs of memory lapses and difficulties with wayfinding creep into people's daily lives or are detected through memory tests, but endless crossword puzzles ...

36 minutes ago
Phys.org / Homebuyers are choosing homes with much higher carbon footprints than they realize

When people shop for a home, they tend to focus on the information listings put front and center: price, floor area, number of bedrooms and location. Rarely do listings show how a home can shape a household's carbon footprint ...

16 minutes ago
Tech Xplore / Three-stage AI system rebuilds blurred, missing facial details in 30 seconds

Imagine finding a very old family photograph that has faded over time. Parts of the image are missing, the faces are blurry, and years spent inside a cardboard album have erased many details. Restoring such an image traditionally ...

55 minutes ago
Phys.org / Dark boreal forests of Canada absorb enough heat to cancel up to a 5th of their climate benefit, scientists warn

Dense evergreen plantations in Canada's boreal forest absorb so much winter sunlight that the resulting surface warming can offset 6% to 20% of the climate benefit they are credited with. Canada's current carbon accounting ...

56 minutes ago
Tech Xplore / The gap in Australia's anti-scam architecture

Australia's national response to scams has strengthened in recent years through government-led anti-scam measures. Yet losses remain above $2 billion, and scams continue to have a significant and devastating impact on individuals, ...

36 minutes ago
Phys.org / RNA droplets may have helped start life on Earth

It's one of the origins-of-life chicken-or-egg problems: How could RNA have helped give rise to the first cells before there were cells to contain it?

2 hours ago
Medical Xpress / Depression and tau pathology linked to faster rise in risky driving among older adults

Driving is a complex skill that involves a wide range of mental processes and abilities. Drivers need to pay close attention to what is happening around them, remember the meaning of road signs, respond quickly to unexpected ...

1 hour ago
Phys.org / Dark energy and quantum gravity may be deeply intertwined

For close to a century, physicists have pursued a way to unite gravity with quantum mechanics. Known as quantum gravity, this goal has remained frustratingly out of reach so far. Similarly elusive is the force of dark energy, ...

3 hours ago
Phys.org / ALMA uncovers sulfur for the first time around a rare class of supergiant star

Astronomers have discovered a chemically rich collection of sulfur-bearing molecules surrounding the rare massive star HD 87643. The observations include the first detection of sulfur monoxide and sulfur dioxide around a ...

1 hour ago
Phys.org / Snake bones with flint cuts show Mount Carmel settlers ate reptiles 15,000 years ago

Around 15,000 years ago, the way of life of human communities in the southern Levant underwent a fundamental change. Groups of hunter-gatherers, who until then had been nomadic, reduced their mobility and established small, ...

2 hours ago