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Aug. 11, 2020 —Scientists report calculations with a model of a conical-shaped root canal inside a tooth. A crucial step in this common dental procedure is irrigation, or rinsing, of the root canal cavity with an ...
Sep. 1, 2021 —A nationwide survey of hospitals has revealed a wide variety of approaches to newborn skincare -- including the timing of the first bath -- that could ultimately have lasting effects on a baby's ...
May 18, 2021 —The mutant Sars Cov-2 viruses B.1.1.7 and B.1.351 are classified as 'variants of concern' because they are more easily transmitted than the wild type virus or because our immune system does ...
Dec. 1, 2020 —Cleaning surfaces with hydrogen peroxide-based disinfectants has the potential to pollute the air and pose a health risk, according to new ...
Apr. 15, 2022 —A new article presents step-by-step protocols for creating publishable 2D and 3D visualizations. The techniques will allow anyone to produce high-quality images and models with minimal effort and ...
Jan. 27, 2021 —合适的表面活性剂、水和职业cessing can maximize the quality of 2D hexagonal boron nitride for such products as antibacterial ...
June 17, 2021 —Chemical engineers have answered longstanding questions about the underlying processes that determine the life cycle of liquid foams. The breakthrough could help improve the commercial production and ...
Oct. 7, 2020 —Researchers successfully print and demonstrate organic transistors, electronic switches, which can operate close to their theoretical speed limits. They showed high-speed operation only requires low ...
Dec. 22, 2020 —Chemists have synthesized extremely unusual compounds. Their central building block is a silicon atom. Different from usual, however, is the arrangement of the four bonding partners of the atom, ...
Apr. 27, 2021 —Scientists have long sought to invent materials that can respond to the external world in predictable, self-regulating ways. Now, new research brings us one step closer to that goal. For their ...