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Wednesday, July 29, 2026 11:09 AM ET

Scientific American - Top Stories

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Does physics allow time travel?

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Four young mathematicians awarded the 2026 Fields Medals

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Is buying lettuce off the table all summer?

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This fabric is alive. Would you wear it?

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The real danger in OpenAI's Hugging Face hack

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July/August 2026 - Issue

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Sign up for the New Issue Alert

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America is embarking on a risky experiment with GLP-1s and aging

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This adorable bobtail squid is raising a family at -1.6 degrees Celsius

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U.S. cities have the worst air quality in the world right now-here's how to stay safe

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This tiny, forgotten organ could help us live longer, healthier

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Doctors got transplanted testicular tissue in an infertile patient to grow sperm

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China's open AI strategy is changing the race

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Ancient geology could insulate Iran's nuclear centrifuges from bombing

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FDA approves cholesterol pill more powerful than statins

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Neanderthals may have been just as smart as modern human peers

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U.S. approval of giant 'space mirror' satellite alarms astronomers

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