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Wednesday, July 15, 2026 10:15 AM ET

Scientific American - Top Stories

Meet the 1,900-year-old latrine helping explain how Roman concrete grew stronger with age

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See the first X-rays of humans taken in space

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Mathematicians still don't know the fastest way to multiply numbers

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Scientists spot sugar in interstellar space for the first time ever

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Scientists overwhelmingly against rule change that would give political appointees say over science grants

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It's Time to Stand Up for Science

20 hours ago

Tick bites are driving up deadly meat allergies. Scientists are scrambling to stop it

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The science of why this summer has been so blistering hot

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ChatGPT just proved another 50-year-old math conjecture

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We finally know the name of an ancient Maya mathematician

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Why are the steel beams inside a Manhattan skyscraper buckling?

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Did scientists just create synthetic life?

23 hours ago

The odds of a Super El Ni o just got higher

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Should you be taking creatine?

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Why corn isn't entirely to blame for 'corn sweat'

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Early bird, night owl or something else? Five patterns may define how we sleep

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Do you think these social media apps are addictive?

3 months ago

View all Discussions

2 months ago

Wimbledon 2026 opened with a 148 mph serve-here's how tennis players brains track such fast balls

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Scientists catch bacteria sharing proteins to survive antibiotics

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Cases of an explosive diarrhea-causing parasite are rising fast in the U.S.

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Is it a problem for cats to eat insects? Researchers are probing feline diets to find out

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China's long march to reusable rocketry hits another milestone

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Physicist says splashy new cosmology study made 'elemental' mistake

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July/August 2026 - Issue

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Sign up for the New Issue Alert

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How could loosened radiation exposure rules affect public health?

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Why the controversy over de-extinction risks missing the point

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RFK, Jr. is turning his attention to another vital health advisory group

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Astronomers catch a 'dark' comet by the tail

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Is Earth the only planet with total solar eclipses?

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The Earth is dragging spacetime around its orbit, just as Einstein predicted

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Is AI ruining our skills? Early results are in-and they're not good

10 days ago

The biological dogma that women don't make new eggs after birth may be wrong

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How math helped the Allies win World War II

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250 years later, new history is uncovered from the Battle of Bunker Hill

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How an absurdly cute mouse manages to live in environments no other mammal can

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Exclusive: International timekeepers to vote on changing the leap second to a leap hour

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NASA needs volunteers to spend a year locked in a Mars simulation

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Chaotic pigeons are helping redefine what we know about learning

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NASA's exoplanet mission accidentally discovers a world it was never meant to find

9 days ago

Wordle, but for art history-Anthropeum puts your artifact smarts to the test

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Chinese spacecraft beams back first image of Earth's mini moon

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Can You Hear a Forest Disappearing? Scientists Are Trying to Find Out

25 minutes ago

Experimental immune therapy shows promise against deadly childhood brain cancer

18 hours ago

NASA's Hubble reveals a black hole hiding inside a massive star cluster in the Milky Way

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Prepare for dangerous air pollution in the Northeast, thanks to Minnesota wildfires

20 hours ago

T. rex fossil named 'Gus' becomes the most expensive dinosaur sold at auction

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August's solar eclipse inspires science involving jets, balloons and Einstein's general theory of relativity

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Astronomers just accidentally spotted the faintest exoplanet ever seen from Earth

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Today's Hard Sudoku

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