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Scientific American

How Close Are Today’s AI Models to AGI—And to Self-Improving into Superintelligence?

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Why Leftover Pizza Is Actually Healthier: The Science of “Resistant Starch” Explained

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Is a River Alive? A Conversation with Robert Macfarlane on Nature’s Sovereignty

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Was the ‘Star of Bethlehem’ Really a Comet?

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Plastic Pollution Will More than Double by 2040, Yielding a Garbage Truck's Worth of Waste Each Second

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What If the Moon Were Cheese? John Scalzi’s Latest Book Has the Answer

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CDC Vaccine Panel Scraps Guidance for Universal Hepatitis B Shots at Birth

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Daniel H. Wilson on Finding a Native Take on Traditional Alien Invasion Stories

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Extremophile ‘Fire Amoeba’ Pushes the Boundaries of Complex Life

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China’s Explosive Zhuque-3 Test Previews the Global Race for Reusable Rockets

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Aluminum Is Crucial to Vaccines—And Safe. Why Are CDC Advisers Debating It?

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Telecom Fiber-Optic Cables Measured an Earthquake in Incredible Detail

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Cosmic Magnification Is One of the Universe’s Weirdest Optical Illusions

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How Zuranolone, a Fast-Acting Drug, Might Help Those Suffering with Postpartum Depression

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CDC Vaccine Panel in Disarray over Hepatitis B Vote

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U.S. Man Dies of Rabies after Receiving Infected Kidney Transplant

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Scientific American’s Best Nonfiction of 2025

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Scientific American’s Best Fiction of 2025

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AI Chatbots Shown to Sway Voters, Raising New Fears about Election Influence

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New Book for Young Readers Brings the Stories of 10 Remarkable Women to Life

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China’s CO2 Emissions Might Have Finally Peaked

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The Black Death May Be Linked to a Mysterious Volcanic Eruption

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Can We Image Alien Earths? This Newfound Object Could Show the Way

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Scientists Pinpoint Gene in Sperm That May Be Key to Male Infertility

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NASA’s Next Chief, Jared Isaacman, Gives Answers in Senate Grilling

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Autonomous Deep-Sea Robots to Lead New Search for Missing Flight MH370

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Scientists Just Tore Up a Major Particle Physics Theory

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Satellite Megaconstellations Are Now Threatening Telescopes in Space

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The Scientific American Staff’s Favorite Books of 2025

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Scientific American’s Best Fiction and Nonfiction Picks for Science-Minded Readers

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Trump’s MRI Is Not Standard ‘Preventive’ Care, Say Experts

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What Is a Bomb Cyclone? Why This Winter Storm Doesn’t Qualify

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Video: Highlights from a Sickle Cell Disease Event

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Scientists Release Data Backing Hepatitis B Vaccines for Newborns Ahead of Crucial Vaccine Panel Vote

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This Is the Math at the Heart of Reality

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JWST Spots Signs of Exomoon Birth in Alien Planet’s Disk

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Changing the FDA’s Vaccine Approval Process Could Threaten COVID, Flu Protection for Children

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ByteDance Launches Doubao Real-Time AI Voice Assistant for Phones

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‘Living Fossil’ Sharks, Rays and Whale Sharks Get a Lifeline amid Extinction Threat

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WHO Unveils GLP-1 Guidelines

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Could Symbolic AI Unlock Human-Like Intelligence?

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NASA Recruits Mars Perseverance Rover to Monitor Sun’s Activity

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How to Really See the Stars

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The Incredible, Unlikely Story of How Cats Became Our Pets

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JUNO Neutrino Observatory Releases First Results

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Mysterious Fossil Foot Belonged to Ancient Human That Lived Alongside ‘Lucy’

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Mars May Have Lightning, Scientists Find

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Magnitude 4.0 Earthquake Rattles Bay Area, with Aftershocks Likely to Follow

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The Conservation Success That Saved Wild Turkeys across the Country

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Skipping Meals before Thanksgiving Dinner Can Be Bad for Gut Health

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