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Observations of galaxy M87 show how the black hole at its centre relates to a long-seen stream of superheated matter. The first image of a black hole wowed

Plan to expand irrigation draws fierce criticism A plan to expand irrigated farming around one of Europe’s most important wetlands has alarmed conservation scientists and European officials. They

Experiments show ease by which organisms can evolve the ability to harness sunlight for energy Atlanta, USA: Yeast are carb lovers, sustaining themselves by fermenting sugars and starches