Three experts share the science behind taking a dip in cold water—and offer safety tips that any potential plungers should ...

Abstract: Atmospheric turbulence is a major factor limiting the transmission distance of free space optics communication. A novel weighted clustering algorithm based ...

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

Milwaukee is in for a frigid and snowy December, thanks to several polar vortex systems that will sweep through the United States in the coming weeks. A polar air mass from Canada is hovering over ...

A potential wobble in the polar vortex could bring frigid Arctic air to the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country, while the Southeast ...

Chemotaxis is the directed movement of cells or organisms in response to a chemical gradient. This process is critical in many biological systems. In the context of cancer, chemotaxis plays a ...

Samsung might be shaking up its biometric game with the Galaxy S27 Ultra. Early firmware references to “Polar ID v1.9” hint at a new polarized-light face authentication system — potentially replacing ...

Astra, a female polar bear, at Point Defiance Zoo & Aquarium in Tacoma, Washington, on Nov. 14, 2023. Astra, a 4-year-old, 700-pound female, arrived Oct. 9, 2025 at Como Park Zoo & Conservatory in St.

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

Singapore-based AI startup Sapient Intelligence has developed a new AI architecture that can match, and in some cases vastly outperform, large language models (LLMs) on complex reasoning tasks, all ...

With nearly two decades of retail management and project management experience, Brett Day can simplify complex traditional and Agile project management philosophies and methodologies and can explain ...