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Pulse oximeter devices routinely overestimate blood oxygen levels in darker-skinned patients—a racial bias that can trigger downstream health harms for Black individuals, compounding well beyond any single inaccurate reading.

The regular solar cycle is a mere climate murmur, but sudden geomagnetic jolts are a different story. These high-altitude outbursts appear to be hijacking the polar vortex to rewrite weather on the ground.

Astronomers from Italy and Brazil have investigated a nearby red dwarf star known as Ross 318 and have discovered an exoplanet orbiting this star, which is at least six times more massive than Earth. The discovery is reported ...

Dr. Jeffery Taubenberger, who has been serving as acting head of the National Institute for Allergy and Infectious Diseases (NIAID) for just over a year, has stepped down for unknown reasons.

Even tiny insects need to focus. In a recent study, honey bees—usually quick to learn which scent means sugar—completely flubbed the task when a flashing light joined the party. This surprisingly human-like breakdown suggests ...

The thinking around exoplanet habitability is mostly concerned with a planet's distance from its star. Too close, and any surface water is boiled away into space. Too far, and surface water is frozen. Both are severe limits ...

Ceramides—lipid molecules in cells that affect many physiological functions including cell differentiation, migration, and death—and their metabolites have been implicated in the development of cancer and other conditions. ...

Modern smartphones are packed with incredible technology, from high-resolution cameras and advanced graphics chips to AI processors. In premium models, this hardware includes LiDAR (light detection and ranging), which helps ...

Children from previous relationships growing up as siblings in a new family, couples adopting or fostering children: So-called patchwork families are a widespread way of life today. It is considered modern, but is in fact ...

Researchers from Tokyo Metropolitan University have categorized a unique, previously unclassified type of heat wave in Japan, so-called "moist heat waves" which are accompanied by an approaching tropical cyclone. These heat ...

A team from Vienna and Frankfurt has found a formula describing a strange phenomenon: Space and time can form a kind of "crystal" that may turn into a black hole. The results are described in Physical Review Letters.

Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by differences in behavior, social interactions, communication, and sensory perceptions. Some autistic individuals find communicating and connecting ...