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Scientific American

SpaceX reaches milestone of 10,000 Starlink satellites in orbit

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The real reason Ireland has no snakes

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Why there is a distressing rise in kidney disease

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Universe in chaos, Earth’s kids oddly fine!

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The kids are all right

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The false positive paradox explains why you misjudge risk

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The autism spectrum isn’t a sliding scale; 39 traits show the complexity

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The Pentagon is backing nuclear waste recycling for long-lasting military power sources

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Scientists reveal why Rocky Mountain lakes are turning green

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Scientists built a tickle robot to solve one of biology’s strangest mysteries

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Science crossword: Disappearing act

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Readers respond to the December 2025 issue

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Poems: Math limericks

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Newly diagnosed kidney patients struggle with heavy burdens, from dialysis to distress

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New drugs and treatments transform kidney care

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More kidney patients are having healthy babies after years of discouragement from doctors

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Math puzzle: Tricky calculation

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How the corpse flower evolved its bizarre traits

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How does kidney disease actually work?

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Galaxies without dark matter mystify astronomers

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Can testosterone boost a woman’s sex drive?

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

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Medical cannabis isn’t an effective treatment for anxiety, depression or PTSD, new research shows

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Maryland’s crabs are gluttonous cannibals, decades-long study finds

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Judge temporarily blocks key parts of RFK, Jr.’s effort to overhaul U.S. childhood vaccines

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Why blizzards, heat waves, tornadoes and floods are all hitting the U.S. this week

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Landmark offshore wind farms come online in the U.S.

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Deadly campus meningitis outbreak in the U.K. kills 2, sickens many more

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Brain implant allows people who are paralyzed to type using their thoughts at speed of texting

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As AI keeps improving, mathematicians struggle to foretell their own future

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A 100-year-old theory might explain what’s wrong with quantum mechanics

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Oil shock, nuclear doubts, climate‑change-driven hail, and new insights on the aging-gut-brain connection

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Scientists revive activity in frozen mouse brains for the first time

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Spaceflight supercharges viruses’ ability to infect bacteria

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What Zootopia 2 gets right about the science of snakes

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What Bugonia reveals about the real search for aliens

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Can DNA testing tell identical twins on trial apart?

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Fresh claim of making elusive ‘hexagonal’ diamond is the strongest yet

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Earth’s days are getting longer. Climate change is to blame

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24 mice launched to orbit in 2023. What happened to their bodies could help humans better survive in space

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What Hoppers got dam right about beavers

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China just approved its first brain implant for commercial use, a world first

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Katharine Burr Blodgett’s story shows how a brilliant legacy can be forgotten

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It was a record hot winter for the U.S. despite chilly weather in the east

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OpenAI and Ginkgo Bioworks show how AI can accelerate scientific discovery

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Why Friday the 13th is a mathematical inevitability

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Have astronomers found a runaway monster black hole?

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Raccoons will solve puzzles just for fun

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Mathematicians find one pi formula to rule them all

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How RFK, Jr.’s controversial ideas are shaping Americans’ health

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