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Scientific American

‘Cocaine hippos’ raise tough questions, and scientists uncover insights on faster aging and heart risks

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The Lyrid meteor shower is peaking now

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Why game theory could be critical in a nuclear war

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How a Renaissance gambling dispute spawned probability theory

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Master of chaos wins $3-million math prize for ‘blowing up’ equations

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The science behind the peptide craze

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NSF awards record number of coveted Ph.D. fellowships in surprise move

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Did AI just solve the mystery of one of El Greco’s most enigmatic paintings?

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Songbirds reveal the dark side of making new brain cells as adults

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What’s the weirdest planet in the solar system?

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What is Mythos and why are experts worried about Anthropic’s AI model

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How your body and brain construct chronic pain

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Mars orbiter watches mysterious wave of darkness spread across red planet’s surface

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AI music is reviving the same fights that shaped the player piano

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Why birds were the only dinosaurs to survive Earth’s worst day

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Former deputy surgeon general Erica Schwartz nominated as new CDC chief

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NASA Artemis II astronauts say thank you to the world

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Congress grills RFK, Jr., about vaccines and cuts to health budget

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How the Grand Canyon formed is a surprisingly messy story. Here's the latest clue

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Astronomers just finished the biggest, sharpest 3D map of the universe—and it’s beautiful

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Elizabeth Roboz Einstein—the determined genius behind a multiple sclerosis breakthrough

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Secrets of cosmic evolution may lurk in this black hole’s ‘dancing’ jets

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10 dinosaur science books recommended by a paleontologist

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How far from humanity were the astronauts of Artemis II? The answer will surprise you

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Effect of antiamyloid Alzheimer’s drugs ‘absent or trivial,’ Cochrane review finds

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The Trump administration is looking to experts to weigh in on peptides

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When a naked mole rat queen dies, that usually means war—but not for this colony

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NASA needs nuclear power for its moon base. Here’s the White House plan to get it

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Why do older people have fewer seasonal allergies?

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250-million-year-old fossil proves mammal ancestors laid eggs

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A face-swapping illusion can unlock childhood memories

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30 years of Pokémon—how the Japanese franchise mirrors real-world science

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Sperm whales may make their own vowel sounds, similar to human language

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Colombia will euthanize Pablo Escobar’s invasive ‘cocaine hippos’

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NASA’s Artemis III will pit SpaceX against Blue Origin

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The East Coast could see blazing hot temperatures this week. Here’s why

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Scientists just discovered 5.6 million bees under a New York State cemetery

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The real science of Pokémon

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Unlikely paths to discovery

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The engineering marvels hidden inside six-figure watches

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Readers respond to the January 2026 issue

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Poem: ‘How I Became a Spitfire Pilot during My Cataract Operation’

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New evidence links heart disease to inflammation—and drugs can stop it

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May 2026: Science History from 50, 100 and 150 Years Ago

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How to build a space hotel

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How cosmic rays are helping mining companies find critical minerals underground

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How chemists engineer the signature smells of luxury perfumes

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DARPA built an AI to fact-check enemy weapons claims

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An asteroid extinguished all the dinosaurs except for birds. Here’s why

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A hot pair of supplements, creatine and methylene blue dye, may not work together

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