Season 31, Episode 4 Descent Into the Ice

First Aired: February 10, 2004

“Glacionauts” dive into glacial water wells on Mont Blanc in the Alps to search for hidden “lakes” that could give way and inundate villages below. It hasn't happened since 1892, but that catastrophe ravaged the French village of Saint Gervais, killing 200 people. The formations that glaciologist Luc Moreau and photographer Carsten Peter explore are “ever changing,” Moreau says. And, thanks to climate changes, they're not getting any colder.

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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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