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Watch NOVA scienceNOW Season 4 Episode 5 Online

  • 8/10
  • COUNTRIES: United States of America
  • Subtitles: English

Follow a NASA satellite looking for water on the moon, see what ancient salt deposits reveal about life 250 million years ago, learn how bird brains are remarkably similar to our own, and meet a climatologist who digs for clues to climate change in the world's highest glaciers.