Unusually warm ocean conditions off the Pacific Northwest in the last few years led anchovies, sardines and hake to begin spawning in Northwest waters much earlier in the year and, for anchovy, longer than biologists have ever recorded before, new research has found.

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Un nuevo filtro producido por científicos de la Universidad de Rice ha demostrado ser capaz de eliminar más del 90 por ciento de hidrocarburos, bacterias y partículas del agua contaminada usada para operaciones de fractura hidráulica (fracking) en pozos de petróleo y gas de esquisto. 

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