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Phys.org / Active thermal metasurfaces amplify heat signatures by a factor of nine
Light undergoes a unique phenomenon called superscattering, an optical illusion where a very small object scatters far more light than expected. This happens when multiple scattering modes overlap and interact, allowing tiny ...
Tech Xplore / 'Personality test' shows how AI chatbots mimic human traits—and how they can be manipulated
Researchers have developed the first scientifically validated "personality test" framework for popular AI chatbots, and have shown that chatbots not only mimic human personality traits, but their "personality" can be reliably ...
Medical Xpress / Genetic influences on health can ripple through social groups via shared microbes
Your "roommate's" genes could be influencing the bacteria living in your gut, and vice versa, according to a study of rats published in Nature Communications.
Phys.org / Sourdough starters: How flour choice shapes microbial communities
Sourdough starter, a fermented mix of flour and water, is a staple for bakers. It's also a rich experimental testing ground for microbiologists. The bread's chewy texture and tangy taste arise from the mix of microbes that ...
Medical Xpress / WISDOM trial weighs risk-based cancer screening
University of California, San Francisco investigators led WISDOM, a randomized comparison of risk-based breast cancer screening and annual mammography. Rates of stage ≥IIB breast cancers met a noninferiority threshold under ...
Phys.org / Possible 'superkilonova' exploded not once but twice
When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the universe with heavy elements such as carbon and iron. Another type of explosion—the kilonova—occurs ...
Medical Xpress / Could cheese protect your brain health? Study links high-fat cheese and cream to lower dementia risk
Eating more high-fat cheese and high-fat cream may be linked to a lower risk of developing dementia, according to a new study published in Neurology. This study does not prove that eating high-fat cheese and high-fat cream ...
Phys.org / Conventional entanglement can have thousands of hidden topologies in high dimensions
Researchers from the University of the Witwatersrand in South Africa, in collaboration with Huzhou University, discovered that the entanglement workhorse of most quantum optics laboratories can have hidden topologies, reporting ...
Phys.org / Prehistoric elephant footprints documented for first time in Murcia's fossil dunes
An international team, involving researchers from the University of Seville, the Andalusian Institute of Earth Sciences in Granada and the University of Huelva, has identified the first fossilized vertebrate footprints from ...
Phys.org / What's powering these mysterious, bright blue cosmic flashes? Astronomers find a clue
Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ultraviolet light that gradually fade away, leaving behind faint X-ray and radio emissions. With ...
Phys.org / Perseverance Mars rover ready to roll for miles in years ahead
After nearly five years on Mars, NASA's Perseverance rover has traveled almost 25 miles (40 kilometers), and the mission team has been busy testing the rover's durability and gathering new science findings on the way to a ...
Phys.org / A universal law could explain how large trades change stock prices
Financial markets are often seen as chaotic and unpredictable. Every day, traders around the world buy shares and sell assets in a whirlwind of activity. It looks like a system of total randomness—but is it really?
