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  1. Astronomy

    Astronomers snap the first baby pictures of a planet

    New telescope images give the clearest view of an exoplanet embryo yet.

    By Maria Temming
  2. Archaeology

    Mongolians practiced horse dentistry as early as 3,200 years ago

    Horse dentistry got an early start among Bronze Age Mongolian herders.

    By Bruce Bower
  3. Genetics

    Koala genome may contain clues for helping the species survive

    The complete genetic instruction book of a koala may explain why the cuddly-looking cuties are such picky eaters, among other secrets.

    By Tina Hesman Saey
  4. Health & Medicine

    Finally, there’s a way to keep syphilis growing in the lab

    Scientists have figured out how to keep a sample of the bacteria Treponema pallidum alive and infectious for over eight months.