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June 5, 2012 Tuesdays at the Espace des sciences with André Brack, Astrobiologist, Center for Molecular Biophysics of Orléans, CNRS. In 1977, two geologists aboard the submarine Alvin discovered a profusion of exuberant life near a source of warm water at a depth of 2,500 meters. Underwater hydrothermal vents, protected from UV rays, meteorite bombardment and rich in thermal energy, were very quickly considered as possible cradles for the emergence of life. What could their contribution be to the origin of life? Could they be present in the solar system? In connection with the exhibition Vous avez dit chimie?