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Scientific American

What Is VO₂ max? Why it matters for Winter Olympians and regular people

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Scientists may have just solved one of the strangest mysteries of Greenland’s ice sheet

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AI tools that ease caregiver burnout

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This fossilized vomit is older than the dinosaurs

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How does type 1 diabetes actually work?

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Key NIH research institute told to remove references to 'pandemic preparedness'

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How climate change made deadly floods in Spain even worse

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NASA sets a date for redo of key Artemis II test

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First solar eclipse of 2026 blazes a ‘ring of fire’ above Antarctica

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Why privatizing public land won’t solve the housing crisis

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What are JWST’s Little Red Dots? Astronomers may finally have an answer

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This mathematician proved the random walk theorem to clear his name as a lurker

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The ghost in the machine

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Strange special relativity effect observed for the first time

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Science crossword: What’s inside?

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Readers respond to the November 2025 issue

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Polyamory isn’t all about sex

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Poem: ‘Boulders at Hickory Run’

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Photographer finds thousands of Triassic dinosaur prints on sheer mountain cliffs

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Moving to a walkable city can add 1,100 steps to your day

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Math puzzle: The sum of all circles

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March 2026: Science history from 50, 100 and 150 years ago

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How one chemist is using AI and robots to automate lab experiments

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How artist Stephanie Dinkins is trying to fix AI bias

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How Stanford doctors use AI scribes to cut paperwork and focus on patients

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How AI helps this civil rights lawyer beat the Feds

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How AI copilots became everyday infrastructure

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Deepfakes are getting faster than fact-checks, says digital forensics expert Hany Farid

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Dealing with stress-caused sickness in family caregivers

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AI Is entering health care, and nurses are being asked to trust it

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A veteran teacher explains how to use AI in the classroom the right way

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The mathematical mystery inside the legendary ’90s shooter Quake 3

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Astronomers spot one of the largest spinning structures in the universe

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Happy Lunar New Year! Celebrate the Year of the Horse with science

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Trump rejects climate science, winter goes haywire, and ‘Penisgate’ rumors arise at the Olympics

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Spaceflight literally moves your brain

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First Proof is AI’s toughest math test yet. The results are mixed

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How often do people fall passionately in love? The answer may be less than you think

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Axolotls can regenerate their thymus, a complex immune system organ

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How roses evolved to become the flower of Valentine’s Day

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8 romance novels for readers who love science, too

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Let these nine romantic animals inspire you on Valentine’s Day

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Following one of these five diets may be the key to living longer

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Why an Army antidrone laser grounded flights at El Paso International Airport

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How a year of RFK, Jr., has changed American science

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How much energy is released when supermassive black holes collide?

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AI tool decreased political polarization from social media algorithms

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NASA launches Crew-12 astronauts in Valentine’s Day gift to the ISS

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How to name a Madagascar hissing cockroach for Valentine’s Day at the Bronx Zoo

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Join the Great Backyard Bird Count—for science!

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