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Astronomy

Can Stars Die Twice?

Every star you see in the night sky will one day fall silent. But according to new research, the silence won’t last forever. Billions of years after their final breath, some stars may explode again—triggering the last fireworks in the universe. That surprising idea comes from astrophysicist Matthew Caplan, who explored a cosmic puzzle most […]

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Computing

AI, Microgrids, and Boosting Home Energy Efficiency

Every day, millions of homes lose power, not because the grid fails, but because renewable energy doesn’t always show up when people need it most. In coastal cities, the wind peaks long after sunset, and the sun disappears just as air-conditioners switch on. But a new study suggests that a single household can learn to […]

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Physics

The Physics of Santa’s Trip Around the World

How Does One Jolly Elf Deliver Billions of Gifts in Just One Night? Every December, physicists, science lovers, and bored relatives with calculators ask the same delightful question: How on Earth does Santa Claus visit millions of homes in one night without violating the laws of physics? Let’s unwrap the science behind the sleigh with […]

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AI

Researchers’ Concerns Over Large-Scale AI Deployment

As the media often celebrates breakthroughs and economic opportunities in AI, several pressing concerns raised quietly within the research community remain underreported. While headlines focus on the transformative potential of large-scale systems like large language models (LLMs), researchers warn that the underlying risks—especially those related to control, transparency, and societal impact—demand closer scrutiny. Concentration of […]

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Uncategorized

When Spiders Meet Twice

A jumping spider with a brain smaller than a grain of sand can remember who it has seen before. That’s the startling message from a new eLife study showing that Phidippus regius—a mostly solitary jumping spider—can distinguish familiar spiders from unfamiliar ones even after long delays. And it does this using vision alone. Most of […]

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Psychology

When Race Isn’t Seen the Same Way

Police officers across three U.S. states stopped the same drivers multiple times — and didn’t always agree on the drivers’ race. That inconsistency turned out to be a scientific breakthrough. A new study shows that when a single person is perceived as Hispanic in one stop but white in another, their odds of being searched […]

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News

Next Week in Science, December 18, 2025

Programming note: We’ll be slowing down the next two weeks, as often happens here in America. Our issues will still be going, and we have some Santa-science for Christmas Eve. The World Needs a Space COP As space exploration rapidly advances, the outdated legal framework from the Cold War era is failing to effectively manage […]

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Psychology

New Study Reveals How Your Brain Builds Language

You can hear every sound in a new language—but somehow none of it makes sense. Your brain easily picks out vowels, consonants, and even the rhythm. Yet the words melt together like an unbroken stream of noise. Why? A new study using rare high-density brain recordings gives us a stunning answer: your brain processes the […]

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Physics

Another Science Speed Limit

Every quantum system has a story to tell—but what if one of its most important chapters is about a speed limit? Not the speed of light. Not even the famous Lieb–Robinson limit for information.This one emerges from the strange, turbulent journey a gas takes as it organizes itself into a coherent quantum state. A new […]

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Astronomy

Mars’ hills keep streaking in the dark—no water needed.

We thought water—turns out, it’s mostly wind. For years, many of us pictured thin films of briny water painting those long, dark lines down Martian hills. This new work flips that story. Think of a kitchen pan sprinkled with cocoa powder: nudge it, and a patch slides, revealing the shiny surface beneath. On Mars, it’s […]

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