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Lynn Margulis: 2 ideas worth knowing

2 ideas from Lynn Margulis, each explained in a minute and credited to the original work. Free on Savvy.

• Your cells run on captured bacteria

  Mitochondria — the power plants in every one of your cells — were once free-living bacteria that got engulfed by another cell around two billion years ago and never left. They stil…

  — Lynn Margulis (Sagan), On the Origin of Mitosing Cells

• The power plants inside your cells used to be free-living bacteria

  Biologist Lynn Margulis revived and rigorously defended the idea, widely dismissed at the time, that mitochondria and chloroplasts descend from independent bacteria engulfed by a l…

  — Lynn Margulis (published as Lynn Sagan), On the Origin of Mitosing Cells

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