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Science
“#Human-derived mercury shown to pollute the world’s deepest ocean trenches” The submersible “Deep Sea Warrior”, used by Ruoyu Sun’s team. Credit: Ruoyu Sun and IDSSE-CAS Scientists have found that man-made mercury pollution has reached the bottom of the deepest part of the ocean—the Marianas Trench. This has significant implications for how mercury affects the marine…
“#Team unveils catalyst that can break problematic C-F bonds” An artist’s illustration of the light-activated antenna-reactor catalyst Rice University engineers designed to break carbon-fluorine bonds in fluorocarbons. The aluminum portion of the particle (white and pink) captures energy from light (green), activating islands of palladium catalysts (red). In the inset, fluoromethane molecules (top) comprised of…
“#Scientists home in on pairs of atoms that boost a catalyst’s activity” A study at SLAC and Stanford identified which pairs of atoms in a catalyst nanoparticle are most active in a reaction that breaks down a harmful exhaust gas in catalytic converters. The most active particles contained the biggest proportion of one particular atomic…
“#Study finds new mentoring model supports underrepresented minority women faculty in STEM” Credit: Unsplash/CC0 Public Domain Over the last 20 years, many academic institutions have conducted surveys in STEM disciplines, seeking ways to address and increase awareness of discrimination and racism that are major obstacles to attracting and retaining women—particularly underrepresented minority women—to diversify the…
“#Research in land plants shows nanoplastics accumulating in tissues” A graphic showing roots and root hairs absorbing nanoplastics. At the bottom are pieces of plastic waste. Credit: UMass Amherst/Xing labShandong University/Yuan and Wang labs As concern grows among environmentalists and consumers about micro- and nanoplastics in the oceans and in seafood, they are increasingly studied…
“#New design for ‘optical ruler’ could revolutionize clocks, telescopes, telecommunications” Experimental setup to generate a set of stable frequencies in a cryogenically cooled laser microresonator frequency comb. The ring-shaped microresonator, small enough to fit on a microchip, operates at very low laser power and is made from the semiconductor aluminum gallium arsenide. Credit: NIST Just…
“#US beekeepers reported lower winter losses but abnormally high summer losses” Credit: Pixabay/CC0 Public Domain Beekeepers across the United States lost 43.7% of their managed honey bee colonies from April 2019 to April 2020, according to preliminary results of the 14th annual nationwide survey conducted by the nonprofit Bee Informed Partnership (BIP). These losses mark…
“#Oil forecasting technique adapted for spreadsheets may cut shale operator costs” A schematic of a single flow cell (left) and a series of flow cells (right). Oil and gas flow from the porous rock into the cracks and then to the wellbore. Credit: Dr. Weijermars Porous rock containing oil and natural gas are buried so…
“#The 2016 US presidential election coverage a ‘game changer’ for reporters” Credit: CC0 Public Domain The 2016 U.S. presidential election is considered a “game changer” for journalists covering the U.S. presidential elections by causing them to dramatically reconsider how they view their role—either as neutral disseminators of information or impassioned advocates for the truth—according to…
“#Young giant planet offers clues to formation of exotic worlds” This animation shows a type of gas giant planet known as a hot Jupiter that orbits very close to its star. Finding more of these youthful planets could help astronomers understand how they formed and if they migrate from cooler climes during their lifetimes. Credit:…