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Scientific American

Magic: The Gathering Fans Harness Prime Number Puzzle as a Game Strategy

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How Plastic, Glass and Paper Move through the Recycling System

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Fight, Flee or Freeze? This Tiny Caterpillar Does a Secret Fourth Thing

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Child Asthma Will Worsen with Trump’s Pollution Rollbacks and RFK, Jr.’s CDC Cuts

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Why Narcissists Emerge as Leaders Even in Childhood

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The New Tornado Alley Has Been Hyperactive this Year

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Trump Cuts Threaten Key NOAA Work to Improve Weather Forecasts and Monitor Toxic Algal Blooms

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How Pope Francis Influenced Global Climate Change Action

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Treating High Blood Pressure Reduces Dementia Risk

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Quantum Computer Makes Random-Number Breakthrough

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Why GLP-1 Weight-Loss Drugs Are Hard to Make into Pills

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Keeping Kids Interested in Science Is a Matter of Language

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Measles, Whooping Cough, the Laschamp Event and a Colossal Squid

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How THC, the Psychoactive Compound in Weed, Gets You High

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Lifesaving Alzheimer’s Research Delayed by Trump Funding Cuts

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Researchers Discover New Color That’s Impossible to See without Lasering Your Retinas

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Trump Tariffs Hit Oil Companies despite Administration‘s Support for Fossil Fuels

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Trump Administration’s Science Cuts Come for NSF Funding

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Microplastics Make It into Your Food through Plant Leaves

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What Causes Severe Morning Sickness, and What Treatments Exist?

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NASA’s Next Major Space Telescope Is Ready to Launch. Trump Wants to Kill It and Other Vital Science

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What Are ORCs? Astronomers Still Don’t Know

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Scientific American Editor Gary Stix Talks about His 35 Years of Editing the Magazine

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What Is Dimethyl Sulfide, the Chemical Potentially Found on Exoplanet K2-18 b?

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Why Astronomers Doubt Claims That Planet K2-18 b Finding Means Alien Life

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Gutting NIOSH Endangers Every U.S. Worker

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Better Refrigerators, Washing Machines, Furniture and Tires Are Mandated for Europe’s Circular Economy

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Pedestrian Traffic Turns to Chaos at a Critical Angle, Mathematicians Find

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The Real Reason Autism Rates Are Rising

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Trump Cuts Should Trigger Loud Protests from Scientific Societies

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North America May Be Dripping Away Deep under the Midwest

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Shift from Fossil Fuels to Renewable Energy Will Persist despite Trump Policies, New Analyses Say

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NASA and NOAA Trump Funding Cuts Jeopardize These Key Climate and Space Projects

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Alan Turing’s Lost Work Could Reveal How Tigers Got Their Stripes

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The Dire Wolf Hoopla Hides the Real Story: How to Save Red Wolves

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Why Does Vaccine Hesitancy Occur, and How Can People Combat It?

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Our ‘Technofossils’ Will Define Us Forever

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Hypochlorous Acid Is a Natural Disinfectant for Surfaces and Skin

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A Colossal Squid Has Been Filmed in the Deep Sea for the First Time

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Harvard’s Stand against Trump Interference Cheered by Scientists despite Risk to Research

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Tech Use Associated with Reduced Dementia Risk in Older Adults

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Offshore Wind Power Poses Only Limited Risk to Whales, Government Watchdog Report Finds

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How and Where Is Nuclear Waste Stored in the U.S.?

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Why Some Animals Live for Only Days and Others Live for Thousands of Years

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There Is No Such Thing as a Climate Haven

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Poem: ‘Live and in Color’

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Mysterious Dark Comets Could Unlock Solar System Secrets

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May 2025: Science History from 50, 100 and 150 Years Ago

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Math Puzzle: Construct the Dice

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Beautiful Shapes, a Magic Molecule and Elephant Bromances

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