Sergio Lopez's Groups (22)

  • Atheists who love Science!

    904 members Latest Activity: 2 hours ago

    A group for science enthusiasts of all types -- professionals, amateurs, students, anybody who loves science.

  • Cosmic Newsfeed on T|A

    105 members Latest Activity: Nov 7, 2014 News from the cosmos. Information and news streams about the very huge to the very small. Astronomy, physics, astrophysics, astrochemistry, space,…

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