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Tuesday, June 23, 2026 8:16 PM ET

Scientific American - Top Stories

Should athletes be allowed to use performance-enhancing gear?

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

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The first ticking 'nuclear clocks' are here

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Got a tick bite? Here's what to do-and what not to do

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

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How underappreciated mathematician Emmy Noether helped prove physics' most fundamental theories

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How becoming a dad changes men's brains

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The Reflecting Pool turned green. Killing the algae may not fix it

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Why is the paint peeling off the Lincoln Memorial Reflecting Pool? An investigation

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

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July/August 2026 - Issue

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Sign up for the New Issue Alert

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How one new telescope is going to change astronomy forever

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How we chose the 2026 Young American Scientists

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Can GLP-1s boost testosterone levels?

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Dozens of countries are trying to lure U.S. scientists abroad-and it's working

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Ebola cases surge, the World Cup heats up, and fatherhood changes the brain

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Eating Too Much Protein Makes Pee a Problem Pollutant in the U.S.

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

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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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U.S. science is in chaos

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Attachment style may influence how many kids people have

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Astronomers discover another galaxy seemingly devoid of dark matter

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The World Cup is battling extreme heat. Which cooling methods really work?

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Scientists pop the cork on the hidden chemistry inside wine bottles

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JWST catches cosmic imposters spoofing faraway galaxies

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Scientists discover remnants of Jellyfish Nebula's 'sibling' supernova

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

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Why some irrational numbers are more irrational than others

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How viruses may reshape the body's 'soil' to promote cancer growth

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

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

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

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Can black holes send information back in time?

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Russia seeks mathematician's extradition

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See the hidden fungal network so big it could stretch to Proxima Centauri and back

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Watch sharks use manta rays to scratch unreachable itches

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Salty clouds discovered on pink puffball planet

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Our brains underestimate Elon Musk's wealth

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Science confirms: Cats help you only when there's something in it for them

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World-first: therapy to make cells young again given to a person

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Largest whale 'graveyard' discovered, with skeletons spanning 5 million years

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How to tell if your dog is left-pawed or right-pawed, according to science

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How Canadian rock duo Angine de Poitrine play with neurobiology and physics to make viral music

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