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Science
“#Scientists identify new methylation site on P53 guided by structure of MLL2 complex” Credit: CC0 Public Domain Lysine methylation is one of the most important covalent modifications involved in diverse cellular processes. Methylation of histone H3 Lys4 (H3K4), predominantly associated with actively transcribed genes, is mainly mediated by KMT2-family histone lysine methyltransferases (KMTs). The mammalian…
“#New tropical cyclone outlook model has potential to save lives in the Pacific” Credit: CC0 Public Domain People in Fiji, New Zealand, Solomon Islands, New Caledonia, Vanuatu, Papua New Guinea, Tonga and other island nations in the Southwest Pacific will have months more to prepare for tropical cyclones, thanks to a new outlook model published…
“#Site-directed mutagenesis in wheat via haploid induction by maize” Side-directed mutagenesis in wheat via haploid induction by maize Credit: IPK A new study recently published in the Plant Biotechnology Journal demonstrates how site-directed mutagenesis can be achieved in virtually any wheat germplasm by intergeneric pollination of wheat with cas9/guide-RNA (gRNA)-transgenic maize. For example, new allelic…
“#Aerosols have an impact on the solar power yield in Europe” The satellite image from October 17, 2017 shows an aerosol cloud over Germany that was caused by forest fires in Spain and Portugal. Credit: worldview.earthdata.nasa.gov High up in the atmosphere, even the smallest particles lead to the formation of clouds. Air flows that carry…
“#Valley Hall nanoscale lasers developed” Scanning electron microscope image of the fabricated sample. The false-colour triangle marks the interior of the topological cavity. b Emission energy vs. the pump energy dependence showing a threshold transition to lasing. The sample is optically pumped at a 980 nm wavelength with 8 ns pulses at a 10 kHz…
“#Instantaneous color holography system for sensing fluorescence and white light achieved” Overview of the proposed instantaneous color-multiplexed holographic sensing technique with a computational coherent superposition (CCS) scheme. Credit: National Institute of Information and Communications Technology (NICT), Japan Science and Technology Agency (JST), Toin University of Yokohama, and Chiba University The National Institute of Information and…
“#Plastics found in sea-bed sharks” Microplastics have been found in the guts of sharks that live near the seabed off the UK coast. Credit: Jake Davies Microplastics have been found in the guts of sharks that live near the seabed off the UK coast. University of Exeter scientists studied four species of demersal (seabed-dwelling) shark….
“#While birds chirp, plasma shouldn’t: New insight could advance fusion energy” PPPL physicist Roscoe White and colleagues have furthered understanding of a barrier that can prevent doughnut-shaped fusion facilities known as tokamaks from operating at high efficiency by causing vital heat to be lost from them. Credit: Elle Starkman / PPPL Office of Communications Scientists…
“#Invention offers new option for monitoring heart health” A team from Purdue University developed self-powered wearable triboelectric nanogenerators with polyvinyl alcohol-based contact layers for monitoring cardiovascular health. Credit: Wenzhuo Wu/Purdue University An invention may turn one of the most widely used materials for biomedical applications into wearable devices to help monitor heart health. A team…
“#Racial and LGBT bias persists in ridesharing drivers despite mitigation efforts” Despite efforts by ridesharing companies to eliminate or reduce discrimination, research from the Indiana University Kelley School of Business finds that racial and LGBT bias persists among drivers. Platforms such as Uber, Lyft and Via responded to drivers’ biased behavior by removing information that…