Chronicling the efforts of a pair of snowy owls to raise their young during the 82-day summer season in the Arctic. While the mother protects the nest, the father hunts lemmings to feed his family. But this year the rodents are not as plentiful as others.
End Time = 2013-12-12T07:00:00
“Ultimate Mars Challenge”
A look at NASA's Curiosity mission to Mars. Included: remarks from Mars Science Laboratory personnel, including chief engineer Rob Manning, chief scientist John Grotzinger, deputy scientist Ashwin Vasavada and mission manager Michael Watkins.