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Thursday, May 21, 2026 4:48 PM ET

Scientific American - Top Stories

OpenAI announces AI's biggest math breakthrough yet

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The Colorado Avalanche is dominating the NHL. The reason could lie in a quirk of geography

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'Sensational' proof topples decades-old geometry problem

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June 2026 - Issue

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10 days ago

Helion Energy wants to build fusion power on a start-up timeline

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The programmer whose code underpins the Internet

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

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

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Keep muscle while losing weight, even on Ozempic

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Do you think "impossible" objects from mathematics are "real," even if they can't be constructed in our world?

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Depression scales may not work the same for highly intelligent people

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Can math predict the end of humanity?

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New NASA Hubble image captures a rare, turbulent galaxy

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Hidden copy of the oldest known poem in the English language leaves researchers 'speechless'

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

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Female beast hunters battled leopards in ancient Rome

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

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Daddy longlegs are actually bloodthirsty killers-of frogs

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An illustrated field guide to qubits

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A contentious effort to 'resurrect' the extinct moa and dodo takes a step forward

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

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

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Ebola vaccines exist, but not for the strain in the current outbreak

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

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Trump administration ousts top NIH infectious disease leaders

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Putting a nuclear reactor on the moon: big promise, bigger challenges

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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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See a Lincoln Memorial-sized asteroid pass within just 56,000 miles of Earth today

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

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The last 12 months in the U.S. were the hottest on record

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A lamp flickering on and off inspires a math mystery

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War is getting harder to hide from space

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A real quantum leap

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The world is more at risk of a pandemic now than before COVID, experts say. This is why

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Why NASA wants to build a nuclear reactor on the moon

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This small rodent is at the center of theories about the hantavirus outbreak

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U.S. bans travel from three African countries as Ebola outbreak spreads

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Hantavirus can persist in semen for years, but that doesn't mean it stays contagious

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Scientists race to develop Ebola drugs as outbreak surges

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Meet the endangered scaly-foot snail, the most metal animal in the world

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Can plants have consciousness? The film Silent Friend reimagines the science

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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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A shocking number of Pacific Northwest rodents may carry hantavirus

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Scientists discover why gold doesn't 'rust'

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

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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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New map reveals lost roads of the Roman Empire

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What's a quantum computer good for, anyway?

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The million-dollar math problem hardly anyone is trying to solve

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JWST forecasts partly cloudy skies on a distant exoplanet

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Quantum computing is reaching its make-or-break moment

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Hantavirus outbreak has new updates, PCOS is now PMOS, fish hides in another animal's 'butthole'

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