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February 10, 2020

A composite image of the galaxy cluster XLSSC 122 using images from the Hubble Space Telescope and the European Observatory's Very Large Telescope. The white outlines reveal strong X-ray emission observed by the European Space Agency's Multi-Mirror satellite. (John Willis) . Courtesy of the author

New clues in the search for the oldest galaxies in the universe

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When disordered segments of protein molecules were first discovered in the late 80s, scientists used to cut them out and throw them away. Illustration: Dr. Hagen Hoffman's laboratory, Weizmann Institute

Not arranged and not by chance

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