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Watch Journey to the Microcosmos Season 7 Episode 16 Online

  • 5/10
  • COUNTRIES: United States of America
  • Subtitles: English

Our master of microscopes is always looking for rare ciliates that live in areas low in oxygen. But when he puts those samples under a growth light, his tubes quickly turn the color of the green sulfur bacteria that thrive in those anaerobic conditions.