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Scientific American

The Arecibo Message, Earth’s First Interstellar Transmission, Turns 50

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Fun Facts about Teeth across the Animal Kingdom

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Curly-Tailed Cats Communicate with an ‘Accent’

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Ending NASA’s Chandra Will Cut Us Out of the High-Resolution X-Ray Universe

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What’s the Roundest Object in the Universe?

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Celebrating the 50th Anniversary of the Arecibo Message

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What RFK, Jr.’s Health Cabinet Position under Trump Might Look Like

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What Bird Flu in Wastewater Means for California and Beyond

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This ‘Human Computer’ Created a System for Measuring Vast Distances in Our Universe

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Generative AI Could Generate Millions More Tons of E-Waste by 2030

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Melting Glaciers Are Causing Billions of Dollars of Damage

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AI Analysis of Police Body Camera Videos Reveals What Typically Happens during Traffic Stops

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Kristi Noem, Trump’s Nominee for Leader of the Department of Homeland Security, Has Rejected Climate Science

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Are Alternate Timelines Real? Quantum Physics Explains

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How to Overcome Solastalgia, the Feeling of Profound Loss of Your Environment

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Developing Expertise Improves the Brain’s Ability to Concentrate

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The U.S. Must Lead the Global Fight against Superbugs

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Insects Played Pivotal Roles in the Evolution of Human Culture

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We Need to Ensure Legal Cannabis Is Safe

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Trump Administration Likely to Repeal Methane Leak Penalty

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Jonny Kim’s Third Act: NASA Astronaut

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How Geometry Revealed Quantum Memory

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Trump’s Election Threatens Heat Protections for Workers

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Water under Threat, Wooden Satellites and a Mud Bath for Baseballs

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The Lucy Fossil’s Extraordinary Journey to Becoming an Icon of Human Evolution

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I Destroyed a Car to Explore Some Music Myths

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What Trump Can—And Probably Can’t—Do to Reverse U.S. Climate Policy

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Let African Communities Manage Their Climate Adaptation Plans

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Happy Martian New Year!

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Is Weight Really the Problem?

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Consciousness Might Hide in Our Brain’s Electric Fields

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Trump’s Administration Will Attack Health Care from Multiple Angles

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Rainwater Could Help Satisfy AI’s Water Demands

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Parents Labeling a Kid’s Friend a Bad Influence Can Backfire

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We Need Scientific Brainstorming about Shared Global Dangers

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2024 Will Be the First Year to Exceed the 1.5-Degree-Celsius Warming Threshold

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Election Grief Is Real. Here’s How to Cope

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Trump Victory Is a ‘Gut Punch’ to U.S. Climate Action

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Misinformation Really Does Spread like a Virus, Epidemiology Shows

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Astrology Was an Important Science for Medieval People

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Climate Is on State Ballots This Election

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These Bird Nests Show Signs of an Architectural ‘Culture’

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The Myth that Musicians Die at 27 Shows How Superstitions Are Made

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Clean Energy Is Bringing Electricity to Many in the Navajo Nation

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The Law Must Respond When Science Changes

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How the 2024 Election Could Change Access to Education in the U.S. and Influence Global Climate Change Decisions

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Epic Gravity Lens Lines Up Seven-Galaxy View

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Voting Has Never Been More Secure Than It Is Right Now

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The Virus That Causes Mpox Keeps Getting Better at Spreading in People

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How to Calm Your Election Anxiety—Even after Polls Close

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