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Phys.org / Study shows how sunspot activity speeds up reentries
It's getting crowded up there. Over the past few years, the advent of SpaceX's Starlink and other players in the mega-satellite constellation game are adding an exponential load of satellites and orbital debris to the low ...
Phys.org / The impact of microplastics on ocean carbon uptake
Marine microplastics affect algae's ability to grow and photosynthesize. Researchers have now calculated what impact this has on the greenhouse effect and the ocean's ability to absorb carbon dioxide.
Medical Xpress / Ebola toll tops 200, other African countries seen at risk
Officials in the Democratic Republic of Congo updated the death toll from the Ebola outbreak to 204 late Saturday, hours after the Red Cross said three volunteers had died there and Uganda confirmed three new Ebola cases.
Phys.org / Heatstroke kills 16 in India as temperatures climb
At least 16 people have died of heatstroke in southern India so far this summer, officials said Sunday, as a heat wave grips swathes of the country following official health warnings.
Phys.org / Hydrous mantle minerals reveal possible source of seismic anisotropy in stagnant slabs
Seismic waves traveling through Earth's interior often propagate at different speeds depending on their direction, a phenomenon known as seismic anisotropy. Such anisotropy is commonly detected beneath subduction zones, particularly ...
Phys.org / Solar activity follows an 11‑year cycle. Here's how it controls eruptions and solar flares
When you look up at the sky on a sunny day, the sun might seem like a bright spot, unchanging in the sky. But the sun is a complex, dynamic celestial body, wrapped in electrical currents and magnetic fields that constantly ...
Medical Xpress / Blood biomarkers could detect earliest signs of Alzheimer's disease—and slow its progression
Alzheimer's disease, a progressive neurodegenerative disorder that affects millions worldwide, has a long preclinical stage. It potentially begins decades before clinical symptoms become apparent.
Phys.org / Hotels strive to be found as AI models conduct travel search
With people increasingly adopting AI to help plan their vacations, hotels are working to make sure that you check them out—and check in.
Tech Xplore / Could anything but profit steer AI? The OpenAI trial offered clues but no verdict
The trial pitting Elon Musk against OpenAI CEO Sam Altman made clear the two billionaires agreed on one thing: building artificial intelligence would require significant resources—and enormous amounts of money.
Medical Xpress / How making children laugh can help brains become more resilient to struggle and open to learning
Making children laugh can build deep emotional connections and soothe their nervous systems, making them more resilient and open to new ideas, says a leading child development expert. Dr. Jacqueline Harding, director of Tomorrow's ...
Medical Xpress / How state laws can stymie research into your ancestors' psychiatric records
Breta Meria Conole was in a state psychiatric hospital for more than two decades. But the reason why is a family mystery.
Medical Xpress / Good dog! More children's hospitals turn to furry caregivers to help kids heal
The first time 5-year-old Calvin Owens went outside in more than a month, he met up with his canine friend Hadley on a hospital patio. Despite being tethered to equipment with wires and tubes, the little boy managed to stand ...