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Scientific American

NASA’s New Images Reveal Best Look Yet at Interstellar Comet 3I/ATLAS

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Kissing May Have Evolved 21.5 Million Years Ago in Ancestor of Great Apes and Humans

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Massive Study Debunks One of RFK Jr’s Biggest Claims about Fluoride in Tap Water

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The James Webb Telescope May Have Seen the First Stars in the Universe

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Epstein Files Spark Harvard Investigation into Larry Summers

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Investigators Think They’ve Solved the Mystery of the Baltimore Bridge Crash

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After Spectacular Auroras, What to Know about the Sun and Its Solar Cycle

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How Safe Is Melatonin, and How Does the Sleep Aid Work? Experts Explain

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These Birds Learned to Tweet Like R2-D2. Listen to the Uncanny Results

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Gut Health Tips for Thanksgiving and Holiday Stress

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Five Essential Books on Plastic, Power, and Pollution

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How Is Botulism Getting into Baby Formula? Here’s How to Keep Kids Safe

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Why a Little Heartbeat Irregularity Can Be Good for You

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We Need Laws to Stop AI-Generated Deepfakes

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Science Crossword: A Destructive Fix

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Science Bleeds When It’s Cut

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Readers Respond to the July/August 2025 Issue

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Poem: ‘The Covert Herbarium of Cryptogamic Botany’

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New Pill Can Save Moms from Postpartum Depression within Days

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NASA’s Mars Sample Return Mission in Jeopardy as U.S. Considers Abandoning Retrieval

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Math Puzzle: Falling Through

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

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Can We Find Cleaner Ways to Extract Rare Earth Elements?

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Can AI ‘Griefbots’ Help Us Heal?

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Personalized mRNA Vaccines Will Revolutionize Cancer Treatment—If Federal Funding Cuts Don’t Doom Them

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How Fossil-Fuel Companies Are Driving Plastic Production and Pollution

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Transplant Rejection Is a Major Hurdle for Pig Organs. Scientists Are Solving the Problem

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The Leonid Meteor Shower Is Peaking—Here’s How to Watch This Fireball-Filled Event

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Nuclear-Waste Arks Are a Bold Experiment in Protecting Future Generations

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How to Send a Message to Future Civilizations

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How Forbes Sent E-mails to the Future—And What Happened 20 Years Later

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Does Information Ever Really Disappear? Physics Has an Answer

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Can a Buried Time Capsule Beat Earth’s Geology and Deep Time?

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How Influential People Map Their Social World

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How Technology and Friendship Preserved a 20-Year E-mail Time Capsule

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Scientists Create 3.3 Trillion Degree Particle Soup to Mimic the Universe Just after the Big Bang

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Life Expectancy with Type 1 Diabetes Varies Dramatically by Nation

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Amelia Earhart Records Released by U.S. Spy Agency

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Scientists Unearth Mysterious Meteorite Crater in China

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Man With Tick-Borne Meat Allergy Dies after Eating Burger

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Sun Continues Celestial Fireworks Display with Powerful Solar Flare

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New Glenn Rocket Launch Tests Jared Isaacman’s Commercial Space Vision for NASA

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Woolly Mammoth Unlocks Reveals the World’s Oldest RNA

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Stranded Chinese Astronauts Return to Earth, but Space Junk Threats Remain

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Raccoons Are Showing Early Signs of Domestication

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These are the World's Best Cities for Walking and Cycling

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We Had a Name for ‘Galaxies’ before We Knew They Existed

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A New Kind of Vaccine Offers Hope for Surviving Pancreatic Cancer

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Blue Origin’s NASA Launch to Mars Is a Shot across the Bow for Elon Musk’s SpaceX

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Are Turkeys at Risk of Bird Flu This Thanksgiving?

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