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Monday, September 21, 2026 11:15 AM ET

Scientific American - Top Stories

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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Should we build data centers in space?

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Indonesian volcano erupts with enough force to see from space

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Gray whales are washing up dead on the West Coast. The reason is alarming

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Mathematician reveals the truth behind the Parthenon's optical illusion

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U.S. space weapons, AI regulation debates and the EPA's carbon emissions rollback

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Why human language may be intertwined with fire

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See the first new species of cat discovered in more than a century-it's adorable

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This is what an out-of-control measles outbreak looks like

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

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Could brain-inspired computers run on the same amount of power as a human brain?

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The life and death of the sun

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It's Time to Stand Up for Science

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

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AI is giving scientists more ideas than they can test

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This dolphin terrifies fish until they puke-and then eats it

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October 2026 - Issue

6 days ago

Sign up for the New Issue Alert

4 months ago

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

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How heat makes it harder for students to learn

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AI steals mathematicians' record for most complicated curve

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Japan just hit a new longevity milestone

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Listening to a forest before it changes forever

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

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What if 'consciousness' isn't real?

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North Korea's nuclear tests have turned this mountain into an earthquake hot spot

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

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What your dog really thinks about the world

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AI leaders want to slow frontier AI. Who will make sure they really do?

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It's official: The U.S. has weapons in space

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What science reveals about the reliability of eyewitness memory

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Missing pages of priceless Henry VIII-era manuscript finally found

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Does AGI mean what we think it means?

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Trump's surgeon general nominee praises MMR and hepatitis B vaccines at Senate hearing

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Blood test shows promise in detecting pancreatic cancer early-a 'holy grail' for the field

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The hidden math that keeps your texts from turning to gibberish

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25 YEARS AFTER 9/11, SURVIVORS ARE STILL GETTING SICK-HERE ARE THE NUMBERS

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The Atlantic hurricane season just quietly broke a new weather record

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Parasitic worms aren't just a gut problem-they can infest the brain, too

7 days ago

AI insiders fear extinction. Security experts see a familiar fight

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If AI can do math, what's the point of mathematicians?

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25 winners of math's 'Nobel Prize' decry the AI invasion of their discipline

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The planet Mercury is shrinking far faster than we thought

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