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Scientific American

Ghostly UV sparks light up forests as thunderstorms pass overhead

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Olympic skier Lindsey Vonn revealed she had compartment syndrome. Here's what that means

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How horses whinny has long been a mystery. Now scientists think they know the answer

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Mathematicians make a breakthrough on 2,000-year-old problem of curves

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Female caribou grow antlers as a built-in postbirthing snack

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New JWST images reveal the rosy glow of Uranus in unprecedented detail

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Who should shovel the snow? This weird math puzzle can help

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Stone Age art may reveal 40,000-year-old precursor to writing

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Why wet, heavy snow is the best for making snowballs and snowmen

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How a poet uses AI to write and why her work is now at MoMA

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Scientists identify new spinosaurid, Moderna flu shot back on track, universal inhaled vaccine shows promise

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What is a blizzard?

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Science journalism on the ropes worldwide as U.S. aid cuts bite

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NASA reveals new problem with Artemis II rocket, further delaying launch

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‘An AlphaFold 4’—scientists marvel at DeepMind drug spin-off’s exclusive new AI

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Why Winter Olympic medals broke and what the failure revealed

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Anthropic’s safety-first AI collides with the Pentagon as Claude expands into autonomous agents

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Incredible image shows what 2026’s first solar eclipse looked like from space

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FDA wants to make more drugs available over the counter, but experts have raised safety concerns

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Trump’s order to release evidence for aliens obscures the scientific search for extraterrestrial life

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Trump administration slashes mercury regulations from coal plants

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NASA completes a critical test of Artemis II, with a launch to the moon now targeted for March 6

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Listen to the oldest known recording of a whale

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Could aliens in another galaxy see dinosaurs on Earth?

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What makes ice slippery? Scientists may have finally figured it out

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NASA says a litany of failures led to 2024 Boeing Starliner astronaut stranding

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Microsoft scientists invent tiny glass ‘books’ that could store data for millennia

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Baby chicks pass the ‘bouba-kiki’ test, challenging a theory of language evolution

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The Kuiper Belt is packed with weird peanut-shaped objects. Astronomers think they know why

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Newly discovered horned dinosaur was like a unicorn from hell

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Cats’ cancer genes show striking similarity to humans’

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China is reportedly testing a new airborne wind turbine

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Are you constipated? It could be because of these two bacteria

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Alzheimer’s blood tests predict the average age at which the disease may strike, study finds

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Lake Tahoe avalanche explained by warm weather

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Elusive sleeper shark seen off Antarctica in a first

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Doting male mouse dads share a genetic signature, new study finds

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The urban geothermal boom reshaping how cities heat and cool

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EPA faces lawsuits over climate endangerment finding withdrawal

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FDA agrees to review Moderna mRNA flu vaccine in dramatic reversal

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Why the FDA is cracking down on compound GLP-1 drugs for weight loss

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AI and human intelligence are drastically different—here’s how

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What Is VO₂ max? Why it matters for Winter Olympians and regular people

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Scientists may have just solved one of the strangest mysteries of Greenland’s ice sheet

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AI tools that ease caregiver burnout

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This fossilized vomit is older than the dinosaurs

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How does type 1 diabetes actually work?

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Key NIH research institute told to remove references to 'pandemic preparedness'

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How climate change made deadly floods in Spain even worse

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NASA sets a date for redo of key Artemis II test

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