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Phys.org / What is a 'seesaw protein' that switches functions by changing shape?

Inspired by the simple mechanism of a seesaw—when one side goes up, the other side goes down—researchers asked an intriguing question: Could a single molecule switch between two different roles like a seesaw? This idea ...

17 hours ago in Biology
Phys.org / How do clouds form in Antarctica? The first flight-based aerosol measurements in 20 years

Antarctica plays a crucial role in Earth's climate system by reflecting solar radiation back into space. The large white ice surfaces and clouds play a decisive role in this process. However, how clouds actually form in Antarctica, ...

18 hours ago in Earth
Phys.org / Endangered marine life is being caught in fishing nets, but it doesn't need to be

Hundreds of thousands of marine animals are killed every year after becoming accidentally caught in commercial fishing nets. Sharks, skates and rays are at particular risk, alongside turtles, seals, whales and dolphins, many ...

18 hours ago in Biology
Phys.org / SpaceX rocket left behind a plume of chemical pollution as it burnt up in the atmosphere

Space junk returning to Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found.

19 hours ago in Astronomy & Space
Medical Xpress / Oatmeal shown to lower cholesterol and potentially stall diabetes

Whether plain with little more than a splash of milk or stirred through with any and all of yogurt, honey, berries and seeds, a bowl of porridge or oatmeal has been lauded as a source of warming goodness and body fuel long ...

18 hours ago in Health
Phys.org / Study finds household-level aid can undermine pastoralists' collective resilience

Recurrent droughts, conflict, and changing land use have placed significant strain on pastoral populations in the dryland regions of Africa, resulting in numerous crises that require humanitarian intervention. Pastoralism ...

19 hours ago in Earth
Tech Xplore / Humanoid home robots are on the market—but do we really want them?

Last year, Norwegian-US tech company 1X announced a strange new product: "the world's first consumer-ready humanoid robot designed to transform life at home."

18 hours ago in Consumer & Gadgets
Medical Xpress / Dementia: How brain resilience, immune health and the menopause play a role in women's risk

Women are more likely than men to be diagnosed with dementia. While researchers have some idea of the factors that elevate risk, it's still not entirely clear why this happens. But a recent study suggests that the menopause ...

Medical Xpress / Dental guidelines call for more judicious use of X-rays

Everyone who's had regular dental care knows the heavy lead apron that's draped across your body before taking X-rays of your teeth.

18 hours ago in Dentistry
Phys.org / Citizen science: Map the Earth's magnetic shield with the Space Umbrella Project

A stream of charged particles known as the solar wind flows from the sun toward Earth. Here, it meets Earth's magnetic fields, which shield our planet like a giant umbrella. The Space Umbrella project needs your help investigating ...

20 hours ago in Astronomy & Space
Phys.org / DNA analysis illuminates the lives of East Marshall Street Well individuals

She had brown eyes and black hair. She was almost 5 feet, 7 inches tall and chewed tobacco. She was in her 20s, carried heavy loads with her left arm and had given birth. We don't know her name, but after her death in the ...

19 hours ago in Other Sciences
Phys.org / How travel and dating apps are changing relationship rules for queer men

Travel and dating apps like Grindr are reshaping how some queer men in relationships negotiate sex and intimacy—often through careful discussion and agreed boundaries rather than secrecy, challenging assumptions that such ...

12 hours ago in Other Sciences