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What exactly is “life”? Astrobiologists still have more questions than answers

  • Writer: Dirk Schulze-Makuch
    Dirk Schulze-Makuch
  • Aug 14
  • 1 min read

Our Earthbound definitions of life could leave us blind to the Universe’s strangest forms.



Within dinoflagellate (pictured above) Ryo Harada of Dalhousie University and colleagues recently discovered an archaea (Sukunaarchaeum mirabile) with a genome so small, it complicates the definition of “life”. Credit: Takuro Nakayama / University of Tsukuba
Within dinoflagellate (pictured above) Ryo Harada of Dalhousie University and colleagues recently discovered an archaea (Sukunaarchaeum mirabile) with a genome so small, it complicates the definition of “life”. Credit: Takuro Nakayama / University of Tsukuba

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