Season 40, Episode 16 Australia's First 4 Billion Years: Life Explodes
First Aired: April 17, 2013
Part 2 of 4. A look at fossil evidence that recounts the move of life from ocean to land, which occurred more than 400 million years ago during the Silurian period. At the time, Australia was still part of the barren supercontinent known as Gondwana. Among those first to make the transition: arthropods and plants. The installment also examines the evolving underwater life of the era, with armor-plated fish developing teeth, jaws, sex and lungs.
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- Premiered: March 3, 1974
- Rating: None
- 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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