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Scientific American

The first ticking ‘nuclear clocks’ are here

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Why the paint is peeling off the Lincoln Memorial Reflecting Pool—experts explain

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Interstellar Comet 3I/ATLAS is almost as old as the universe itself

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Stem cells banish severe autoimmune disease for 15 years

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Will NASA’s SkyFall Mars helicopter fleet sink science at the Red Planet?

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Got a tick bite? Here’s what to do and when to seek treatment

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Ebola outbreak latest, World Cup heat risks and dad brains

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Can GLP-1s boost testosterone levels?

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How becoming a dad changes men’s brains

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Celebrate Father’s Day with seven whimsical and weird animal dads

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Silicon Valley's longevity biohackers are engaged in a dangerous experiment

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Attachment style may influence how many kids people have

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A water treatment expert on what could actually fix the Reflecting Pool

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Which World Cup cooling methods really protect players from extreme heat?

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Scientists pop the cork on the hidden chemistry inside wine bottles

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Scientists discover remnants of Jellyfish Nebula’s ‘sibling’ supernova

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In world first, a man living with HIV received a lung transplant from an HIV-positive donor

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Ancient human ancestors may have first used fire 1.79 million years ago

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JWST catches cosmic imposters spoofing faraway galaxies

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Why some irrational numbers are more irrational than others

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Scientists are uncovering how common viruses may quietly increase cancer risk

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Ancient worshipers gathered at a ‘prototype’ Stonehenge to celebrate the solstices, new analysis reveals

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Japan’s 2011 earthquake was so powerful that it shifted the entire country’s location

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NASA’s Lucy mission reveals an asteroid’s hidden history

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Trump administration reverses course on plan to dismantle ocean monitoring network

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Ex-Google CEO Eric Schmidt’s Relativity Space selected for upcoming NASA Mars orbiter mission

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How to watch August’s total solar eclipse live with Scientific American

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Salty clouds discovered on pink puffball planet

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How one new telescope is going to change astronomy forever

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1 in 3 psychologists say their patients use AI as a second therapist

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The surprising science history behind New York City’s ticker-tape parades

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The first Atlantic tropical storm of 2026 is here—and it used to be a Pacific cyclone

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Our brains underestimate Elon Musk’s wealth

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Could this ancient burial site be the oldest lethal plague outbreak?

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Astronomers discover another galaxy seemingly devoid of dark matter

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Watch sharks use manta rays to scratch unreachable itches

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Proposed White House regulations could kill 5,000 clinical trials, analysis finds

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Ozempic maker Novo Nordisk breach exposed patients’ clinical trial data

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Math predicts humans could go extinct in about 17,000 years

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NASA data reveals weird x-ray changes in the exploded ruins of dead stars

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Could the keto diet help treat anorexia, schizophrenia and depression?

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U.S. limits on Anthropic Fable AI could hurt cybersecurity

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Here’s how big the Ebola outbreak in the Democratic Republic of the Congo might be

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Math Puzzle: Go to great lengths

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Neuroscientist Kauê M. Costa redefines how the brain learns

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Tonima Tasnim Ananna: Young American Scientist studying the behavior of supermassive black holes

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Readers respond to the March 2026 issue

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July/August 2026: Science history from 50, 100 and 150 years ago

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J. Craig Venter’s last interview—on AI, risk-taking and immortality

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America’s compact between science and politics is broken

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