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UC Berkeley is a public research university in California, widely ranked among the world's top institutions for sciences and engineering.
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UC Berkeley researchers turned roughly 7 million pages of local law from all 50 states into a free, searchable database. Comparing codes across towns becomes a search, run on text that an AI pipeline read and sorted.
Reality
UC Berkeley's Kirk Bansak and Nidhi Banavar report in PNAS that most of nearly 3,800 participants skipped weighing every attribute of political choices. Because every attribute was on screen, the result concerns how people use information they already hold.
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UC Berkeley researchers found chimpanzees stole pineapple in 61% of trials with friends and 70% with nonfriends. Friendship trimmed theft without stopping it, and the team argues both parties' emotional reactions show chimps expect better treatment from friends.
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Berkeley and Padua researchers dated eight Vesuvius sanidine samples to 1,938 years, give or take 13, against the 1,946 years that Pliny's account implies. The same historical date helped make potassium-40's half-life, the constant under every argon-argon age, twice as precise.
Reality
Cornell researchers who interviewed 27 food industry leaders found that trust, more than technology, keeps companies from pooling safety data for AI. The evidence is what executives told interviewers, so whether removing those barriers would free up the data is still an open question.
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Douglas Seiler's team found lead-bearing ink absorbed up to 25 times more X-rays than charred papyrus, in test scrolls they wrote and burned themselves. How much that helps at Herculaneum depends on how many of the library's scrolls used lead ink, and nobody has counted yet.
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An ex-LinkedIn product manager writing for a16z demotes the 120-page spec the author once wrote and names the story as a PM's most important output. AI changes how teams code, the author writes, but the story still has to survive being retold without the PM in the room.
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Berkeley and Padua geochronologists dated eight crystals from Vesuvius to 1,938 years, plus or minus 13, against a recorded age of 1,946 years. The same eruption date let them measure potassium-40's decay twice as precisely. Carbon-14 and uranium-lead results can now be checked against that constant.
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UC Berkeley researchers say Mojave soil minerals adsorb CO2 at night and release it by day, moving 1 to 3 gigatons of carbon a year if scaled globally. Part of the soil exchange long credited to microbes may be physical, though the global figure rests on Mojave soils alone.
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Surface collection, geophysics and coring at Opovo Ugar-Bajbuk between 2022 and 2024 put the late Neolithic settlement above 9 hectares with up to 220 houses and more than 700 people at its peak. The house sizes vary too little to mark out a wealthy few.
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A UC Berkeley team kept stem-cell-derived organoids in culture for up to a year and found TSC2-mutant astrocytes reactive from the moment they appeared. Helen Bateup says neurons may still contribute to the seizures.
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Token use alone explained 80 percent of the variance on BrowseComp, and a Berkeley-led trace study found most multi-agent failures are structural, so the fan-out design pays only where subtasks are independent.
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Genomic evidence turns one widely distributed penguin into four species, three of them sub-Antarctic, and gives the Kerguelen birds the first new penguin name in more than a century. Conservation accounting now has to be done island group by island group.
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Georgetown, USC and Berkeley researchers surveyed the same Americans every three months, asked about ten platforms one at a time, and found no credible within-person link between use and satisfaction a quarter later.
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The UC Berkeley spin-out's Form D reports $19,428,895 sold against a $32.4 million target, and $7.4 million of that came from converted securities, leaving about $12 million the filing does not break out as cash.
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Douglas Seiler carbonized modern papyrus inscribed with text he already knew, then scanned it to show that lead in the ink gives X-ray CT a signal strong enough to read through a closed roll.
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A scanning tunneling microscope caught electrons inside molybdenum diselenide freezing into a crystal and melting into liquid-like waves, with the defect count in each sample deciding which state held. Quantum Monte Carlo simulations matched the images.
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The 350-million-year-old radius is triangular and pointed where the wrist would be, and the upper arm bone is missing. It matches none of the 16 fishapods that Thomas Stewart's team at Penn State compared it against.
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A Berkeley Lab-led group spent years building a molybdenum diselenide device that a scanning tunneling microscope could read, and it says the defects in that device are what hold the electrons in place.
Reality
The ink and the burned papyrus are both carbon, so X-rays struggle to tell letters from page. In a new PLOS One study, lead added to test ink showed up clearly, and the authors want unopened scrolls screened for it.
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