Biology

Federal wildlife officials say the continued existence of two species of insects is in doubt because the glaciers and year-round snowfields they depend on are melting away. U.S. Fish and Wildlife Service officials said Wednesday the western glacier stonefly and the meltwater lednian stonefly will be protected as threatened species under the Endangered Species Act.
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(Left); Image of a persistent snow and ice patch in Mengebulag taken in 2006, showing domestic reindeer using the patch, and (right); the same patch in 2018, which local residents indicated had melted for the very first time. Credit: Taylor et al, 2019. Deep in the Sayan Mountains of northern Mongolia, patches of ice rest
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Credit: Ecole Polytechnique Federale de Lausanne EPFL spin-off Medusoil has successfully tested its ground-stabilization process on cliffs subject to surface erosion. The company’s biomineral-based solution can be used to stabilize sandy and gravelly subsoils to safeguard surrounding infrastructure. It is a long-lasting and easy-to-use alternative to industrial fluids—the production and use of which can be
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Guppy. Credit: Darren Croft Leadership during cooperation runs in the family for tiny fish called Trinidadian guppies, new research shows. University of Exeter researchers studied leadership in guppies by selectively breeding for fish that differed in how likely they were to lead a scouting party to examine a predator. They created 30 breeding pairs of
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A North Atlantic right whale breaching. Credit: Susan Parks Some “canaries” are 50 feet long, weigh 70 tons, and are nowhere near a coal mine. But the highly endangered North Atlantic right whale is sending the same kind of message about disruptive change in the environment by rapidly altering its use of important habitat areas
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Simulations showing cancerous multiple myeloma cells, also known as cCPCs, getting stuck between micropillars in a new filter device, described in Biomicrofluidics. Blue outline is the cCPC and fluid is flowing is from top to bottom. Credit: Lidan You, University of Toronto Multiple myeloma is a type of blood cancer in which malignant plasma cells,
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The research is featured as a hot paper and has also been selected as the journal’s cover illustration. Credit: Wiley Scientists from Trinity have created a suite of new biological sensors by chemically re-engineering pigments to act like tiny Venus flytraps. The sensors are able to detect and grab specific molecules, such as pollutants, and
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This is a mosaic image of asteroid Bennu, from NASA’s OSIRIS-REx spacecraft. The discovery of sugars in meteorites supports the hypothesis that chemical reactions in asteroids – the parent bodies of many meteorites – can make some of life’s ingredients. Credit: NASA/Goddard/University of Arizona www.nasa.gov/press-release/god … sugars-in-meteorites An international team has found sugars essential to
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Highly porous material. Source: C. Hohmann/LMU Iridium is an ideal catalyst for the electrolytic production of hydrogen from water—but it is extremely expensive. But now a new kind of electrode made of highly porous material does an excellent job with just a hint of iridium. Today, the royal road to the effective electrolysis of water
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Clockwise: Southern tiger cat [Leopardus guttulus]; Brocket deer [Mazama spp.]; Greater naked-tailed armadillo [Cabassous tatouay]; Red-rumped agouti [Dasyprocta leporina] Credit: ICMBio / CENAP Margays (Leopardus wiedii), small wild cats living in forest areas fragmented by agriculture near Campinas and Botucatu in São Paulo State, Brazil, prey on animals inhabiting nearby sugarcane plantations such as birds
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