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“#Tracking the spread of mosquito insecticide resistance across Africa” Deltamethrin Resistance in Anopheles gambiae s.l. mosquitoes. Credit: Penelope Hancock In a step toward better control of the mosquitoes that transmit malaria, researchers have mapped the patterns of insecticide resistance in Anopheles gambiae mosquitoes across Africa. The new study, published June 25, 2020 in the open-access…
“#Chemists achieve breakthrough in the synthesis of graphene nanoribbons” Credit: CC0 Public Domain Graphene nanoribbons might soon be much easier to produce. An international research team led by Martin Luther University Halle-Wittenberg (MLU), the University of Tennessee and Oak Ridge National Laboratory in the U.S. has succeeded in producing this versatile material for the first…
“#When two are better than one: Why some gene duplicates are retained while others perish” Credit: CC0 Public Domain Whole genome duplication followed by massive gene loss has shaped many genomes, including the human genome. Why some gene duplicates are retained while most perish has puzzled scientists for decades. A study, published today in Science,…
“#Super-Earths discovered orbiting nearby red dwarf” Artist’s impression of the multiplanetary system of newly discovered super-Earths orbiting nearby red dwarf Gliese 887. Credit: Mark Garlick The nearest exoplanets to us provide the best opportunities for detailed study, including searching for evidence of life outside the solar system. In research led by the University of Göttingen,…
“#Motions in the sun reveal inner workings of sunspot cycle” Helioseismology was used to measure the Sun’s meridional flow (in miles per hour). This flow controls the evolution of the global magnetic field and the number of sunspots. Credit: MPS (Z.-C. Liang). The sun’s magnetic activity follows an 11-year cycle. Over the course of a…
“#Astronomers discover ‘monster’ quasar from early universe” An artist’s impression of the quasar Pōniuāʻena, the first quasar to receive an Indigenous Hawaiian name. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/P. Marenfeld Astronomers have discovered the most massive quasar known in the early universe, containing a monster black hole with a mass equivalent to 1.5 billion suns. Formally designated…
“#Sledge dogs are closely related to 9,500-year-old ‘ancient dog’” Greenland sled dog. Credit: Carsten Egevang / Qimmeq Dogs play an important role in human life all over the world—whether as a family member or as a working animal. But where the dog comes from and how old various groups of dogs are is still a…
“#Russia plans to take first tourist on space walk in 2023” Credit: Pixabay/CC0 Public Domain Russia’s Energia space corporation said Thursday it will take the first tourist on a space walk in 2023, under the terms of a new contract with a US partner. Energia has inked a contract with Space Adventures, which promises to…
“#Video: You’re using disinfectants wrong. Here’s what you actually need to do” Credit: The American Chemical Society Sure, you’ve got a product that says “kills germs” under your sink, but will it really destroy the new coronavirus on surfaces? Turns out that if you’re using a disinfectant the same way as a regular cleaner, you…
“#How deforestation helps deadly viruses jump from animals to humans” by Amy Y. Vittor, Gabriel Zorello Laporta and Maria Anice Mureb Sallum, The Conversation </p><div> <div> <div data-src=”https://scx2.b-cdn.net/gfx/news/hires/2019/1-deforestation.jpg” data-sub-html=”Credit: CC0 Public Domain” data-thumb=”https://scx1.b-cdn.net/csz/news/tmb/2019/1-deforestation.jpg”> <figure><img alt=”deforestation” height=”480″ src=”https://scx1.b-cdn.net/csz/news/800/2019/1-deforestation.jpg” title=”Credit: CC0 Public Domain” width=”800″></img><figcaption> Credit: CC0 Public Domain </figcaption></figure></div> The coronavirus pandemic, suspected of originating in bats…