Season 37, Episode 5 Extreme Cave Diving

First Aired: February 9, 2010

Earth's climate history is explored via underwater caves that were formed during the last ice age (when the sea level was almost 400 feet lower than it is today) by ecological anthropologist Kenny Broad and a team of climatologists, paleontologists and anthropologists.

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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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