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Phys.org / Carbon nanotube 'sandpaper' polishes semiconductor surfaces down to a few atoms

The performance and stability of smartphones and artificial intelligence (AI) services depend on how uniformly and precisely semiconductor surfaces are processed. KAIST researchers have expanded the concept of everyday "sandpaper" ...

4 hours ago in Nanotechnology
Phys.org / Mars' 'young' volcanoes prove more complex than scientists once thought

What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long periods of time. To fully understand how volcanoes ...

4 hours ago in Astronomy & Space
Phys.org / Captured on camera for the first time: How tiny marsupials crawl to their mother's pouch

For the first time, scientists have recorded how baby dunnarts, tiny carnivorous marsupials from Australia, reach their mother's pouch not long after being born. While much is known about how many other marsupial babies go ...

7 hours ago in Biology
Phys.org / Extinct Hawaiian ibis with strangely small eyes suggests a shift to nocturnal life

Islands are famous for producing some of the world's strangest creatures, and now a new international study shows that the evolution of bird species on Hawaiian islands includes an ibis with unusually small eyes and limited ...

4 hours ago in Biology
Medical Xpress / Single DMT dose treats stress-induced depression more effectively than Prozac in mice

Psychedelics are psychoactive substances that trigger unusual mental states, also referred to as "trips," altering the perceptions, thoughts, and emotions of those taking them and typically inducing hallucinations. Over the ...

7 hours ago in Psychology & Psychiatry
Medical Xpress / Proton therapy leads to positive survival and quality of life outcomes for patients with lower grade glioma

A study by investigators from Mass General Brigham Cancer Institute evaluates the efficacy and safety of proton therapy for patients with lower grade gliomas (LGGs). The single-arm prospective phase 2 trial results demonstrated ...

Phys.org / Electronic friction can be tuned and switched off

Researchers in China have isolated the effects of electronic friction, showing for the first time how the subtle drag force it imparts at sliding interfaces can be controlled. They demonstrate that it can be tuned by applying ...

7 hours ago in Nanotechnology
Phys.org / The origin of magic numbers: Why some atomic nuclei are unusually stable

For the first time, physicists have developed a model that explains the origins of unusually stable magic nuclei based directly on the interactions between their protons and neutrons. Published in Physical Review Letters, ...

9 hours ago in Physics
Medical Xpress / Shining new light on how cytokines manage immune response

Scientists in the Blavatnik Institute at Harvard Medical School and MIT have created a new family of tools that, for the first time, illuminates the missing half of how the immune system uses molecules called cytokines to ...

4 hours ago in Immunology
Tech Xplore / What chatbots can teach humans about empathy

Over half of U.S. adults are using large language models (LLMs)—such as ChatGPT, Gemini and Copilot—in some capacity. Whether using artificial intelligence to create grocery lists, turn oneself into a Muppets character ...

4 hours ago in Consumer & Gadgets
Phys.org / Flipping and reversing mini-proteins could improve tuberculosis treatment

Antibiotic treatments are losing effectiveness against a range of common bacterial pathogens, including E. coli, K. pneumoniae, Salmonella and Acinetobacter, according to a warning issued by the World Health Organization ...

4 hours ago in Biology
Phys.org / A new way to 'cage' plutonium

Plutonium (Pu) exhibits one of the most diverse and complex chemistries of any element in the periodic table. Since its discovery in 1940, scientists have synthesized and studied many different types of plutonium-containing ...

5 hours ago in Chemistry