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  1. Hace 1 día · Photosynthesis changes sunlight into chemical energy, splits water to liberate O 2, and fixes CO 2 into sugar.. Most photosynthetic organisms are photoautotrophs, which means that they are able to synthesize food directly from carbon dioxide and water using energy from light. However, not all organisms use carbon dioxide as a source of carbon atoms to carry out photosynthesis ...

  2. Hace 1 día · Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania.The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools.In 1912, it became the Carnegie Institute of Technology and began granting four-year degrees. In 1967, it became Carnegie Mellon University through its merger with the Mellon Institute of Industrial Research ...

  3. Hace 4 horas · Elizabeth Hodson de Jaramillo (Colombia) Professor Em. School of Sciences of the Pontificia Universidad Javeriana, and mem-ber of Inter American ... David Zilberman (Israel, USA) Professor in the Department of Agricultural and Resource Economics, University of California at Berkeley. One of the Founders of the International ...

  4. Hace 4 horas · Some of the largest and most varied collections of these items for Latin America can be found at the Hemeroteca Nacional at the Universidad Nacional Autónoma de México, the Nettie Lee Benson Library at the University of Texas at Austin, the Bancroft Library at the University of California, Berkeley, and the Iberoamerikanisches Institut in Berlin.

  5. Hace 1 día · As suspeitas de que o gênero Trachops teria mais de uma espécie começaram nos anos 1990, quando o professor Albert Ditchfield fazia doutorado na Universidade da Califórnia (Berkeley, EUA) e percebeu que esses morcegos apresentavam uma diversidade genética muito maior do que a esperada entre indivíduos de uma mesma espécie.

  6. Hace 4 horas · Já para Philips Torr, da Universidade de Oxford (das mais antigas e considerada a 4.ª melhor do mundo), Inglaterra, há «o risco de um futuro orwelliano – relativo a George Orwell ...

  7. Hace 4 horas · Embora o novo estudo tenha examinado pessoas que são naturalmente mais gratas, existem maneiras de praticar mais gratidão no dia a dia, segundo Emiliana Simon-Thomas, diretora científica do Greater Good Science Center — um instituto de pesquisa que estuda a psicologia, sociologia e neurociência do bem-estar — na Universidade da Califórnia, Berkeley, nos EUA.