lab
Public research university in Tucson, Arizona, home to the Lunar and Planetary Laboratory, a leading center for planetary science and spacecraft missions.
No evidence-backed relationships are recorded.
University of Arizona researchers argue that older brains move memory work from the hippocampus to the frontal cortex as an adaptive reorganization. The paper reinterprets earlier studies and adds no new data, so the idea still awaits a direct test.
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University of Arizona astronomers used JWST to detect carbon and oxygen flowing out of three galaxies seen 500 million years after the Big Bang. The result suggests heavy elements spread earlier than astronomers expected, though three galaxies picked from hundreds of spectra cannot yet show how common such outflows were.
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Researchers describing Tamirkhan balcarceli in Nature place zhelestids, long argued to be early placental relatives, among shrew-like zalambdalestoids. The Gobi skeleton suggests teeth alone misled the group's classification for nearly 40 years.
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Astronomers led by the University of Arizona's Naman Bajaj used archival JWST data on 72 young Sun-like stars to show disk-stripping winds change with age. The survey identifies which force removes planet-building gas at each stage, but it does not yet put the giant-planet deadline in years.
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A Nature paper puts the boundary between stiff and soft Martian mantle directly beneath the surface dichotomy. The authors still keep a giant impact on their list of causes.
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University of Arizona researchers find about 80% of the world's drylands swinging harder between wet and dry years across four decades of satellite data. Forecasts for rain-fed farms and rangelands built on the 13 vegetation models they tested assume steadier plants than the satellite record shows.
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Four decades after Tucson stopped serving the contaminated water, a University of Arizona team went door to door on the south side and found a third of the exposed group positive on a post-traumatic stress screen.
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A hand search of public JWST spectra turned up three galaxies whose outflowing gas carried carbon, oxygen and silicon 500 million years after the Big Bang. The search was done by eye, so the three cases show that enrichment happened while leaving its frequency open.
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Priscilla Martinez's team pulled the tooth from a marine deposit at El Morro in northern Chile. Freshwater fish, gavials and palm phytoliths from the same beds carry more of the argument than the tooth does.
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Asgard archaea have been known since 2015 from DNA in North Atlantic sediment, and only six stable cultures have reached the literature. Growing them takes years, so one unpublished culture travelled from Montana to Texas by car.
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Eleanor Cornish and Tyler Robinson put a wind-roughened ocean into the rfast atmospheric tool and found the specular flash still separable from a dry planet at 120 degrees, ten degrees below earlier estimates.
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The bones were collagen-free, so the site's age came from radiocarbon on bone apatite. Two labs dating the sand around the bones instead returned 160,000 to 232,000 years, and groundwater chemistry is the suspect.
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For the first time, the Earth-Theia collision has been simulated with temperature-dependent rock strength. Some runs still make the familiar debris disk; the hottest assemble an intact Moon in about five hours.
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Since 2001, giant-impact models have treated Earth and Theia as strengthless fluid because geology looked irrelevant at those energies. Restoring temperature-dependent strength changes whether the Moon condenses out of debris or arrives whole.
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A 2026 National Academies report proposes a center to integrate and translate paleoenvironmental records of extreme events. The methods it would pool differ enough in precision that the pool cannot be read as one dataset.
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The first paper built on ESA Hera's Deimos flyby argues a single roughly 320-metre impactor did both jobs, and that the moon is porous and fragile. JAXA's MMX inherits that finding.
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Naman Bajaj's MIRI survey traces disk winds from molecular to atomic as accretion fades. The sequence looks solid; the calendar that giant-planet models actually need is not in it.
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Astronomers modelled a ribbon of stripped stars around a faint dwarf galaxy to weigh its dark matter, the first time the trick has worked anywhere but the Milky Way.
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About a hundred SPH runs at the University of Bern converge on a single non-destructive strike as the source of Deimos's south-polar depression and its global regolith. The surface is ejecta, and it is weak.
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