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Scientific American

A toothless, beaked, bipedal crocodile cousin roamed Earth 200 million years ago

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How mathematicians use Minecraft to calculate pi

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Experts explain how sunscreen really works—and why better ones may be coming soon

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Tiny alienlike blue octopus discovered lurking off the Galápagos Islands

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Ocean census reveals more than 1,100 new species

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The universe could have 18 possible shapes

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SpaceX launches Starship V3—the world’s most powerful and tallest rocket ever

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Why lawyers keep citing fake cases invented by AI

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Far side moon photos reveal hidden lunar minerals in brilliant color

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Earth’s molten outer core is behaving in chaotic, unexpected ways

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Rare Ebola-causing Bundibugyo virus is uniquely challenging to treat. Here’s why

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Span wants to turn homes into mini data centers

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What will happen if the Milky Way and Andromeda galaxies collide?

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What is E15 fuel? Why higher-ethanol gasoline could raise summer smog levels

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Bixonimania’—the fake illness that AI fell for

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SpaceX scrubs launch of Starship V3—the tallest and most powerful rocket ever built

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Hidden structural features inside Egypt’s Great Pyramid may have helped it withstand earthquakes, new study finds

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Hantavirus found in shocking number of Pacific Northwest rodents

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JWST sees partly cloudy skies on a distant, giant exoplanet

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Scientists discover why gold doesn’t ‘rust’

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A new study says you need 10 hours of exercise a week. Can that really be possible?

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NOAA predicts quieter Atlantic hurricane season for 2026—but the Pacific is another story

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Trial of next-gen weight-loss drug retatrutide brings it one step closer to FDA approval

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AI just solved an 80-year-old ‘Erdős problem,’ and mathematicians are amazed

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Can math predict the end of humanity? Inside the ‘doomsday argument’

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Watch SpaceX launch Starship V3—the tallest and most powerful rocket yet

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Daddy longlegs are actually bloodthirsty killers—of frogs

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Start-up reveals ‘artificial egg’ to resurrect extinct birds, but scientists say the work misses the point

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Screen time limits can protect children’s health, U.S. surgeon general advisory says

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An Ebola outbreak is spreading fast. Should you be worried?

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These bizarre fossils represent some of the earliest moving, sexually reproducing life ever discovered

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Vaccines for Bundibugyo Ebola virus outbreak are being developed, but none are ready yet

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NASA’s Psyche captures gorgeous Mars crescent photo on way to asteroid

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The Colorado Avalanche is dominating the NHL—Denver’s high elevation could be the reason

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NASA’s plan for a nuclear reactor on the moon could change space exploration forever—if it works

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Did the last common ancestor of humans and apes walk like a gorilla? A new study offers a clue

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Extreme heat is breaking records in the East. Here’s why

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The U.S. just experienced its hottest 12 months on record

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SpaceX punts Starship V3 launch to May 21 as investigation opens into Starbase worker’s death

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What it’s like being stuck in a hantavirus quarantine for six weeks

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‘Sensational’ proof topples decades-old geometry problem

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New NASA Hubble image captures a rare, turbulent galaxy

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Scientists race to develop Ebola drugs as outbreak surges

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Math puzzle: Fix the matchstick equation

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Female beast hunters battled leopards in ancient Rome

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Readers respond to the February 2026 issue

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Quantum computing is reaching its make-or-break moment

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New high‑resolution map transforms what we know about Roman roads and the Roman Empire

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NASA dreams of a nuclear power plant on the moon. Here’s why

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How commercial satellites are changing modern warfare

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