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UCLA is a public research university in Los Angeles known for broad scientific research across physics, medicine, climate science and engineering.
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CDC surveillance of nearly 17,000 Shigella isolates found extensively drug-resistant strains rose from 0 percent in 2011 to 8.5 percent in 2023. The resistance narrows what doctors can prescribe and is pushing clinics to ask how patients caught the infection.
Reality
Naomi Eisenberger and colleagues report that a 1999 finding of 63 percent higher mortality in strained caregivers has mostly failed to replicate. The correction matters to some 63 million US adults who give care, a role popular wisdom says can shave years off a life.
Reality
Michigan and UCLA researchers built a 3.4-ounce robot that hops about three body lengths a second by twisting elastic helices until they snap. The team says timing the snap spares the motor from high output, though the published account has no energy figures to test it.
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UCLA biologists found chytrid infections growing in Yosemite toads during winter hibernation on land, in a three-year survey of 1,800 samples. That makes the months a threatened species spends underground part of the high-risk season for the fungus.
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UCLA researchers' hybrid optical-neural processor screens at least 15 video streams per pass of light at 97.79% accuracy on Celeb-DF. The experimental eLight study pitches it as a cheap first filter whose savings hinge on how many genuine videos reach the heavier detectors.
Reality
UC Santa Cruz and UCLA researchers found that new US mosques were 16% to 18% more likely than nearby new churches to face opposition, in a study of 107 pairs. The authors say parking complaints often mask anti-Muslim prejudice, an inference the paired design supports but cannot prove on its own.
Reality
A UCLA-led team reports in Science Advances that heat over the Tibetan Plateau preceded two record California winters. The model attribution is 56 and 30 per cent of the rainfall anomaly, from two cases.
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Kyoto, Harvard and UCLA researchers find shared noise in up to 21,000 mouse visual cortex neurons slows sensory information growth without capping it. The finding challenges a 30-year-old coding assumption, but beyond the recorded cells it rests on extrapolated power laws.
Reality
A UCLA team read rare-isotope bonds in Tyrannosaurus rex tooth enamel and got about 36 degrees Celsius, a figure that took some 15 years of work to make measurable from a museum-sized sample.
Perspective Coverage
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Kathleen Bawn and five co-authors watched the open-seat House nominations of one election cycle from inside the districts, and found organized groups vetting candidates for reliability on their own agenda before any ballot was printed.
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The number comes from carbon-oxygen bonds in two teeth of a museum's best tyrannosaur, released for sampling only after UCLA spent a decade shrinking how much enamel the method destroys. Eagle expected roughly that value.
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The World Meteorological Organization's new bulletin puts the Antarctic hole below its long-term average for a second year running, and the researchers reading the same data disagree about whether the recovery is on schedule.
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Jeffrey Brantingham's team traced the 2020 theft surge to twenty Kia and Hyundai models built without engine immobilizers. Their Los Angeles forecast follows those cars as they depreciate into less affluent neighbourhoods.
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A Frontiers Q&A says funding losses have put Dan Blumstein's yellow-bellied marmot study at risk. A marked-animal record that lapses cannot be rebuilt later, and his OnlyFans account is the response.
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One dose controlled tumor growth in mouse models of ovarian cancer and melanoma. The safety case for the UCLA cells rests on a random receptor repertoire they never build. The work is in Cell Reports Medicine.
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Catherine Bonesho argues in Palestine Exploration Quarterly that the ring's six Greek letters are a Latin dative, which makes the object equipment for addressing the governor rather than a signet he wore. The case turns on one letter.
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Ground-motion models are fitted to a century of recordings that omit the largest events. Physics-based simulations can supply them, and remain nearly absent from national hazard models.
Reality
A UCLA-led team trapped nuclei mid-formation and mapped them in 3D. Classical nucleation theory survives as a limit case of the new equation, and that limit was not observed once.
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Thin snow killed roughly 100 of more than 160 yellow-bellied marmots at Gothic, Colorado. Federal cuts hit the same study, so its funding plan is now a Fat Bear Week imitation.
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A PNAS study finds parts of the Sacramento Valley collapsed during the 2020-2022 drought and have not rebounded, which undercuts the idea that wet years always restore what dry years remove.
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