Phys.org

Science news, Technology news. Physics, Space, Biology, Chemistry, Engineering, Math, Electronics, Nanotechnology, Materials, Computers, Health, Earth Science.

[Phys.org @physorg_com]

The Dragon galaxy yielded 104 magnified stellar events—more than double its previous record of 44—with temporary brightening exposing stars around 6.5 billion light-years away. @AandA_journal https://t.co/gOQLcdMiYb

[Medical Xpress @medical_xpress]

Bloodstream infections were less common with a 16-strain bacterial therapy in an early donor stem cell transplant trial; larger trials are needed before approval. @cityofhope @NatureMedicine https://t.co/fwjhRYAz0c

[Phys.org @physorg_com]

The largest known Megapodius weighed an estimated 3.9 kg—far heavier than Flores Island’s living megapode—and is known from a single leg bone found in the same cave as Homo floresiensis. https://t.co/mjdTopJvbZ

[TechXplore @TechXplore_com]

A hybrid analog–digital system computes 65,536-point Fourier transforms, compared with 128 points in earlier analog chips, extending signal processing to much larger inputs. @NatureElectron https://t.co/Jt1EfsdKI7

[Medical Xpress @medical_xpress]

Knee osteoarthritis pain fell by at least half in about two-thirds taking experimental retatrutide, versus 38% on placebo, in trials involving people with overweight or obesity. @northwesternu @nejm https://t.co/P6cqRPe77O

[Phys.org @physorg_com]

Southern Italy’s marine terraces appear to be rising five to 10 times faster than previously thought, based on sand samples collected up to 1,000 meters above sea level. @NaturePortfolio https://t.co/JCUbEsWR0Z

[Medical Xpress @medical_xpress]

Piclidenoson restored kidney cells’ protein reabsorption in experimental Lowe syndrome models, including human kidney organoids and mice, while a planned human trial remains under regulatory review. @Fondaz_Telethon https://t.co/Ij23sg8jDp

[Phys.org @physorg_com]

Heavy rain more than doubled the speed of Alaska’s Turner Glacier during a surge, with the rain-linked speed-up lasting 66 hours. https://t.co/VaU7kbPOiP

[Phys.org @physorg_com]

Compact clumps hold an estimated 80% or more of Misty Moons’ stellar mass, suggesting concentrated star formation less than 500 million years after the Big Bang. @AAS_Publishing https://t.co/i3RqpTRAmV

[Phys.org @physorg_com]

AI predicted 2,895 likely partnerships among human mitochondrial proteins—more than half previously unreported—pointing to potential diagnostic and therapeutic targets. @tamu @NatureComms https://t.co/gcqeE497oz

[TechXplore @TechXplore_com]

Three new techniques remove or mitigate hidden AI backdoors without major performance losses, targeting malicious triggers that can go unnoticed while models behave normally. @ncstate @arxiv https://t.co/WNFfdDZH8i

[Phys.org @physorg_com]

Darwin wasps shifted from paralyzing hosts to letting them keep developing at least 23 independent times, with no evidence that any lineage switched back. @currentbiology https://t.co/fsYr3KsEQp

[Phys.org @physorg_com]

Tiny air cavities turn flat silicon into a UV-focusing mirror, producing focal spots as small as about 1 micrometer despite silicon’s strong ultraviolet absorption. @SPIEtweets https://t.co/R6dh45LiCl

[Medical Xpress @medical_xpress]

A 10-protein blood panel distinguished ALS patients from healthy people with nearly 98% balanced accuracy, outperforming a leading biomarker—but testing against similar conditions is still needed. @EmoryUniversity @NatureComms https://t.co/DsVDhuYu2V

[TechXplore @TechXplore_com]

A vitamin B12 catalyst helped a rechargeable zinc-air battery prototype reach up to 250 charge and discharge cycles, with the highly soluble vitamin anchored to carbon nanotubes. https://t.co/6HlS441ceF

[Phys.org @physorg_com]

Mercury pollution may have collapsed two ancient Maya lake ecosystems, with one lake reaching levels considered severely harmful to aquatic life for centuries. @ScienceAdvances https://t.co/XlRHKaih4h

[Phys.org @physorg_com]

An overlooked North Atlantic right whale calf brings the season’s documented total to 24—the highest since 2009—after being photographed off Quebec in September. https://t.co/G16nc3lw06

[Medical Xpress @medical_xpress]

Hormone-driven high blood pressure improved for up to two years after a 6–12-month drug course in a 14-person follow-up, though a lasting cure remains unconfirmed. @QMUL @nejm https://t.co/Uu6VugcGMp

[TechXplore @TechXplore_com]

A honeycomb-inspired cooling structure lasted over 100 million cycles—equivalent to an estimated service life of more than 10 years under the tested operating conditions. @hkust @sciencemagazine @nature @Joule_CP https://t.co/RU48MVTmRC

[Phys.org @physorg_com]

A model predicting a 26.7-billion-year-old universe without dark matter or dark energy has passed several cosmological tests, matching observations from early elements to galaxy rotation. @RoyalAstroSoc https://t.co/LJJjW8bHvd