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Tuesday, August 04, 2026 3:56 AM ET

Scientific American - Top Stories

Cyclospora outbreak tied to two deaths as parasite-borne illness continues to rage

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It's 90 degrees in the Arctic right now

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Washington's wildfires are a warning for the entire U.S.

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U.S. senators push against giving political appointees control over science funding

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Eating less protein could help you live longer

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How Antarctica's Blood Falls came to be

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Does physics allow time travel?

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It's Time to Stand Up for Science

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The Hiroshima atomic bombing created a bizarre new material. Scientists just discovered it

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Avocado flowers switch sex daily-now we know why

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Daddy long leg sex is weirder than you might imagine

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What to know about postpartum psychosis

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Two research efforts gave AI the same open problem. Their papers were submitted three hours apart

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Surf's up! Here's how to ride the waves on Saturn's moon Titan

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Has NASA already found life on Mars?

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The untold science and drama of Lewis and Clark's expedition

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How flowers shaped the world as we know it

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What scents trigger childhood memories for you?

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Chilean mummies reveal a lost lineage of smallpox

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A unique cellular trick may explain octopus intelligence

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Four young mathematicians awarded the 2026 Fields Medals

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July/August 2026 - Issue

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Sign up for the New Issue Alert

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The real danger in OpenAI's Hugging Face hack

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Mesmerizing NASA time-lapse reveals Mars's craters, polar ice caps and deserts

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Humanity's 'golden age' of language may have occurred 2,000 years ago

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How a Futurama writer's plot problem led to a totally new math proof

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

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Rescue mission to save NASA's Swift space telescope is imperiled in orbit

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

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A SpaceX rocket is about to crash into the moon-scientists will be watching

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Neuroscientists pinpoint how smells bring back childhood memories

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Neanderthals may have been just as smart as modern human peers

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

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OpenAI admits its agent went rogue, triggering a major hack

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Ancient Egyptian princesses were 'powerful' weapon users, new analysis suggests

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Permanent daylight savings is bad for Americans' health-here's what science says could be better

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