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Scientific American

New Prime Number, 41 Million Digits Long, Breaks Math Records

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How Superman Helped Launch the Hubble Space Telescope

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How the Brain Summons Deep Sleep to Speed Healing

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The International Space Station Has Been Leaking for Five Years

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There Are Three Types of Twilight

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How the 2024 Election Could Change Access to Health Care in the U.S. and Influence Global Nuclear Policies

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Catastrophic Floods in Spain Kill at Least 95 People

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H5N1 Detected in Pig Highlights the Risk of Bird Flu Mixing with Seasonal Flu

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Dora Richardson Took Her Research Underground to Develop Lifesaving Tamoxifen

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The Climate and the Health of our Children Is on the Ballot on November 5

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What Made This Bizarre ‘Dandelion’ Supernova?

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Why Election Polling Has Become Less Reliable

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How to Make Your Own Zoetrope

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Does the Coriolis Effect Cause Your Cowlick?

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The Universe in 100 Colors Provides a Stunning Tour through Science

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Is Election Anxiety Keeping You Awake? Sleep Experts Share Advice

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In 2024’s Record-Hottest Year, U.S. Voters Will Decide Climate’s Path Forward

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One in Three Tree Species Is at Risk of Extinction

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Do Spiders Dream Like Humans Do?

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A Bird Flu Vaccine Might Come Too Late to Save Us from H5N1

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Why Are Close Elections So Common?

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More Men Are Getting Vasectomies Since Roe Was Overturned

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Fastest Known Planetary System May Have Been Pushed by Our Galaxy’s Supermassive Black Hole

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Exploring the Science of Spookiness at the Recreational Fear Lab

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Underwater Temple from ‘Indiana Jones Civilization’ Discovered

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Math and Puzzle Fans Find Magic in Martin Gardner’s Legacy

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People Overestimate Political Opponents’ Immorality

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This Sponge Pulls Gold from Electronic Waste

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We Must Restore Trust in Science in ‘Antiscientific America’

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How Harris’s Medicare Plan Could Make At-Home Care for Older Adults Easier

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Wildfires Are Moving Faster and Causing More Damage

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Why We All Need a U.N. Study of the Effects of Nuclear War

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New ‘Unconscious’ Therapies Could Help Treat Phobias

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Plans to Destroy the International Space Station Preview a Bigger Orbital Junk Problem

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An Enormous Meteorite, Bird Flu in Washington State and a Troubling Scurvy Case Study

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Shaken Baby Syndrome Has Been Discredited. Why Is Robert Roberson Still on Death Row?

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Climate Goal “Will Be Dead Within a Few Years” Unless World Acts, U.N. Warns

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Iconic Bird of American Horror Stories Faces Its Own Terrifying Fate

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These Are the Rumors and Misinformation to Watch for on Election Day

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This Is Your Robot Brain on Mushrooms

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The Unsettled Science behind Weight-Loss Drugs for Teens

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The Surprising Story of How Peaches Became an Icon of the U.S. Southeast

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Treat or Trick? Astronomical Objects Are Beautiful—And Creepy

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Celebrating Spooky Lake Month with Its Creator Geo Rutherford

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Hurricane Helene Disrupted Abortion Care in the South

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These Hornets Can Thrive on Just Alcohol without Getting Buzzed

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The Forgotten Developer of Tamoxifen, a Lifesaving Breast Cancer Therapy

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Apples Have Never Tasted So Delicious. Here’s Why

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Climate Change Is Raising the Temperature on Global Conflict

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Anyone Can Learn Echolocation in Just 10 Weeks—And It Remodels Your Brain

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