Season 3, Episode 13 The Underground Movement

First Aired: April 18, 1976

A report on life underground includes a look at moles, which dig complex networks of tunnels; earthworms, which contribute to vegetation by loosening and fertilizing the soil; weasels, which mate underground; and miniscule animals such as springtails, named for their leaping abilities.

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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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