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“#Invasive hedgehogs and ferrets habituate to and categorize smells” A wild ferret, captured for this experiment and then released, investigates scent in a jar placed in its pen. Researchers used cameras to monitor the predators’ nightly activity. Ferrets hunt primarily rabbits, but will eat eggs or chicks if they find them. Credit: Grant Norbury To…
“#Slow growth the key to long term cold sensing” NTL8 is expressed in a restricted region in Arabidopsis in the warm (shown here is the root tip), but over a long period in the cold the protein gradually accumulates and expands to a larger region. Mathematical modeling showed that the slowing down of growth in…
“#New evidence challenges Euro-centric narrative of early colonization” Jacob Lulewicz, lecturer in archaeology at Washington Universiity in St. Louis, studies southeastern/midwestern ethnohistory and archaeology including Indigenous-colonizer dynamics; social networks and sociopolitics. Credit: WUSTL In American history, we learn that the arrival of Spanish explorers led by Hernando de Soto in the 1500s was a watershed…
“#Scientists constructed ‘DNA droplets’ comprising designed DNA nanostructures” The research team experimentally demonstrated the controllability and functions of the DNA microstructures formed after LLPS. Credit: Tokyo Tech In living organisms, DNA is the storage unit of all genetic information. It is with this information that proteins are encoded, which then enable biological systems to function…
“#Identifying sources of deadly air pollution in the United States” Credit: CC0 Public Domain A new study from University of Minnesota researchers provides an unprecedented look at the causes of poor air quality in the United States and its effects on human health. The research, to be published Wednesday in the journal Environmental Science and…
“#Researchers using ultraviolet lasers make unprecedented measurement of nanomaterials” A graphic showing how shrinking a material down to thicknesses of just a few nanometers can disrupt its atomic bonds. Credit: Kapteyn/Murnane Group/JILA University of Colorado Boulder researchers have used ultra-fast extreme ultraviolet lasers to measure the properties of materials more than 100 times thinner than…
“#AI model to forecast complicated large-scale tropical instability waves in Pacific Ocean” Credit: CC0 Public Domain Large-scale oceanic phenomena are complicated and often involve many natural processes. Tropical instability wave (TIW) is one of these phenomena. Pacific TIW, a prominent prevailing oceanic event in the eastern equatorial Pacific Ocean, is featured with cusp-shaped waves propagating…
“#New nuclear magnetic resonance method enables monitoring of chemical reactions in metal containers” B–>C) is initiated inside a metal reactor inserted into a magnetically shielded enclosure. The NMR spectrum of the heterogeneous (gas/liquid) reaction is recorded with an atomic magnetometer positioned next to the reactor. Analysis of the spectra acquired during the course of the…
“#Cases of black hole mistaken identity” Credit: X-ray: NASA/CXC/Penn State/B.Luo et al; Illustration: NASA/CXC/M. Weiss Astronomers have discovered one type of growing supermassive black hole masquerading as another, thanks to a suite of telescopes including NASA’s Chandra X-ray Observatory. The true identity of these black holes helps solve a long-running mystery in astrophysics. The misidentified…
“#4-foot prehistoric-looking bird seen at Outer Banks lighthouse is on wrong coast, experts say” Credit: Pixabay/CC0 Public Domain Strange things often wash up on North Carolina’s Outer Banks, and the National Park Service says the latest example is a big, prehistoric-looking bird that is far outside its natural range. Cape Hatteras National Seashore says a…