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Phys.org / SPHEREx telescope completes first full-sky infrared map in 102 colors

Launched in March, NASA's SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors.

Dec 18, 2025 in Astronomy & Space
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 ...

Dec 17, 2025 in Physics
Phys.org / Life on lava: How microbes colonize new habitats

Life has a way of bouncing back, even after catastrophic events like forest fires or volcanic eruptions. While nature's resilience to natural disasters has long been recognized, not much is known about how organisms colonize ...

Dec 18, 2025 in Astronomy & Space
Phys.org / Newly discovered microbes challenge assumptions about methane production in the environment

It's been known for nearly a century that swarms of single-celled organisms thrive by consuming chemicals from their environments and expelling methane gas as a byproduct. In 2024, researchers in the laboratory of Roland ...

Dec 18, 2025 in Biology
Phys.org / Comet 3I/ATLAS: Europa Clipper captures rare ultraviolet view

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable observations of the interstellar comet 3I/ATLAS, which in July became the third officially recognized ...

Dec 18, 2025 in Astronomy & Space
Phys.org / Organic materials conduct ions in solids as easily as in liquids thanks to flexible sidechains

Normally, when liquids solidify, their molecules become locked in place, making it much harder for ions to move and leading to a steep decrease in ionic conductivity. Now, scientists have synthesized a new class of materials, ...

Dec 18, 2025 in Chemistry
Phys.org / Are talented youth nurtured the wrong way? Top performers develop differently than assumed, says study

Traditional research into giftedness and expertise assumes that the key factors to develop outstanding achievements are early performance (e.g., in a school subject, sport, or in concerts) and corresponding abilities (e.g., ...

Dec 18, 2025 in Other Sciences
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 ...

Dec 16, 2025 in Astronomy & Space
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 ...

Dec 17, 2025 in Biology
Phys.org / Flat Fermi surface in altermagnets enables quantum limit spin currents

The key feature of spintronic devices is their ability to use spin currents to transfer momentum, enabling low-energy, high-speed storage and logical signal control. These devices are usually manipulated by electric currents ...

Dec 18, 2025 in Physics
Phys.org / Hybrid excitons: Combining the best of both worlds

Faster, more efficient, and more versatile—these are the expectations for the technology that will produce our energy and handle information in the future. But how can these expectations be met? A major breakthrough in ...

Dec 18, 2025 in Physics
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?

Dec 16, 2025 in Physics