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To many people around the world bicycles are a crucial means of transport, especially for carrying loads in rural areas. While their benefits are h
190 Guatemala. La red de Centros de Innovación y Tecnología (CIT´s) de los tres campus de la Universidad del Valle de Guatemala (UVG) serán potenciados, gracias a la entrega de US$15 millones de dólares al consorcio MIT-UVG-Agexport, otorgados por la Agencia Internacional para el Desarrollo de los Estados Unidos de América (USAID) para el proyecto Alianzas Sostenibles Para la Innovación y el Emprendimiento (ASPIRE). El monto ayudará a impactar a comunidades, gobierno y sector productivo a través de la investigación e innovación, creando oportunidades de crecimiento económi...
Xylem tissue in gymnosperm sapwood can be used for water filtration (as seen on top). Xylem is comprised of conduits that are interconnected by membranes that filter out contaminants present in water (bottom). Credit: N.R. Fuller, Sayo Studio THE interiors of nonflowering trees such as pine and ginkgo contain sapwood lined with straw-like conduits known as xylem, which draw water up through a tree’s trunk and branches. Xylem conduits are interconnected via thin membranes that act as natural sieves, filtering out bubbles from water and sap. MIT engineers have been investigating sapwood’s n...