Season 2, Episode 7 Red Sea Coral

First Aired: December 15, 1974

Schools of giant starfish that can devour vast areas of coral reef. Known as the Crown of Thorns, the starfish are observed in the Red Sea, where English biologists first learned they are natural predators of coral.

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  • Premiered: March 3, 1974
  • Rating: None
  • User Rating:4.51 out of 5 (139 ratings)
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  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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