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Wednesday, September 30, 2026 1:50 PM ET

Scientific American - Top Stories

NASA directive might increase the odds of contaminating Mars

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How IVF 'add-on' treatments put patients in an impossible position

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The Atlantic hurricane season has been so quiet it's unprecedented

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Trump's surgeon general nominee Nicole Saphier clears key Senate committee

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Want to protect yourself against cancer? Get vaccinated

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Surprising result seen in primordial matter inside atom smasher

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It's Time to Stand Up for Science

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Blockbuster retatrutide trial signals a 'new high-water mark' for weight-loss drugs

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Around half of world's population exposed to dangerous levels of ozone in 2026

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Trump rolls back fuel economy standards for cars, breaking with 50 years of policy

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October 2026 - Issue

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Sign up for the New Issue Alert

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How apple detectives solved the mystery of an ancient tree-and rewrote the history of fruit

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Strange things happen in four dimensions

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NASA announces plans to revive Boeing's troubled Starliner spacecraft

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These tiny implants talk through the body itself

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A Jupiter-bound spacecraft just swung by Earth, snapping photos as it went

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Transplanted hearts may take on the age of their new bodies

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Did OpenAI solve the wrong Navier-Stokes problem?

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The next era of space warfare is upon us

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Scientists just found a bizarre cosmic object 'hiding in plain sight'

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Should we build data centers in space?

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View all Discussions

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T. rex was as warm-blooded as humans, new study finds

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Life finds a way: Fire amoebas, plesiosaur vomit and sea turtle eggs

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Jupiter-bound spacecraft Juice to fly by Earth Monday

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The secret Cold War history of Tetris

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How a horse flu crisis fueled animals rights advocacy in the U.S.

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AI solves 79-year-old mathematical mystery

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How the body's own immune system can attack the brain

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Why Hawaii is facing an unprecedented hurricane season

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Blood test for multiple cancers clears crucial hurdle on track to FDA approval

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2026 could be the turning point on climate action, Al Gore says

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What does OpenAI's blockbuster Navier-Stokes proof mean for the real world?

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See the Taurids light up the fall sky with brilliant shooting stars

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What changing 'Lake Ontario' to 'Lake America' means for weather forecasts

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NASA's Nancy Grace Roman Telescope glimpses its first cosmic light

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Mathematicians use AI to find mysterious symmetries, solving decades-old problem

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OpenAI's agent hacking Australia is a warning for governments everywhere

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Diesel fuel prices are rising-chemistry can help explain why

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RFK, Jr., is focusing attention on electromagnetic fields. Here's what the science says about exposure

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Why mathematicians are suddenly hiding research results

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9 'boundaries' keep Earth livable. We've breached 7 of them

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COVID cases are on the rise-here's what you need to know

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What's the point of the interstellar Fermi Explorer mission?

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