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American popular-science magazine, published since 1845, covering research, technology and mathematics for general readers.
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Researchers say two 5th-century BC Etruscan tombs were built as immersive sensory spaces, citing exceptionally long echoes in one of them. Their own account leaves open whether the sound was designed or simply came with the room.
Reality
Contiguous U.S. temperatures averaged 57.98 degrees F from January to August 2026, the hottest such stretch since records began in 1895, NOAA data show. Only a cooler-than-normal fall would keep 2026 from an annual record, Zeke Hausfather says.
Reality
NASA Administrator Jared Isaacman has returned NASA's Mars missions to COSPAR's 1964 limit of one-in-10,000 contamination odds per mission. The looser rule applies now, and a review due in December 2026 is meant to recommend lowering the threshold further.
Reality
El Niño kept the Atlantic free of hurricanes through September for the first time in reliable records by holding wind shear high over warm water. The mark could still fall if the National Hurricane Center upgrades Tropical Storm Fay in its post-season review.
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Anthropic released an AI-generated proof of a percolation conjecture that Fields medallist Hugo Duminil-Copin had tried and failed to prove. What it shows about AI research depends on expert checking and on how much of the argument humans built first.
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The US said on September 14 that it has weapons in space, the first nation to acknowledge such weapons publicly. The open question is which kind it has, because the kinds differ widely in how much debris they would leave in orbits every nation shares.
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SWANS, described in Science, sent faint pulses about 40 centimeters through a rat's tissue to switch on a nerve-stimulating implant in its hind leg. Dropping the radio shrinks the devices to syringe size, though that range was measured only in rats.
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Researchers project the six largest tech operators' AI electricity use will reach 239 to 295 TWh by 2030, up from 118 TWh in 2024. That growth is expected to cluster, so most of the strain falls on the power and water systems of a few places.
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Scientific American essay says the Tetris Company's rights claim rests on a 2012 ruling crediting Pajitnov with shapes Golomb described in 1953. The dating looks solid, but the essay leaves open how much weight it carries against a game copyright.
Reality
Scientific American's June 2026 sale cost 15 jobs. The count now used to place that loss in the history of science media tracks print magazine closures back to the 19th century, and a newsroom that shrinks and keeps publishing counts as a survivor.
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The United States is in its worst measles year since 1991. The figure on the federal counter is one death, marked subject to change, while Pennsylvania officials describe four deaths among unvaccinated people.
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Hurricane Nolo has put Hawaii under a third hurricane watch this year, a first on record. Up to 35 inches of rain could still fall on parts of the Big Island, even though the storm is forecast to pass about 150 miles south.
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With Navier-Stokes claimed and five Millennium problems left, the ordering of what falls next turns on which conjectures a single counterexample would settle. Five million dollars of Clay prize money is still unclaimed.
Perspective Coverage
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Robert F. Kennedy, Jr.'s department has asked people who believe mobile phones, Wi-Fi or wearables harmed them to write in, and a University of Pennsylvania bioengineer says a health agency should run a systematic review instead.
Reality
Alain Goriely sets the stylobate's six-centimetre rise beside published curve-detection thresholds. Up close, he argues, the platform looks curved; at the distances where a sag would matter, the eye cannot see the curve at all.
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Ten current and former staff told Scientific American that NASA's Goddard Space Flight Center no longer has the people or the equipment to build a telescope like Roman. NASA says flagship missions remain a core Goddard capability.
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The American Institute of Mathematics asked for problems where AI could search further than a person can, and Rachel Pries offered the one sporadic group with no known polynomial. Six mathematicians closed it in under three months.
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The agency's own 2024 projections for the withdrawn standards, 1.38 billion metric tons of carbon dioxide and about 1,200 deaths in 2035, are the only public measure of what the revocation gives up. Those figures are models built before the rule took effect.
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Researchers at the University of St Andrews argue that firelight was bright enough to gather around and too dim to read a gesture by. Ancestral vocal tracts left no fossils, so the case rests on measurements of people alive now.
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A new report combines a survey of 637 scientists with 15 million Gemini conversations. Its authors trace the gap between mathematics and biology to what it costs to check whether an answer is right.
Reality
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Science · September 18, 2026 · 1 publisher
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