NOVA
Arctic Sinkholes
Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. (60 minutes)
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UPCOMING EPISODES
Tue, 12/16 at 6:00 pm on Austin PBS WORLD
Ice Age Footprints
A look at what thousands of prehistoric footprints in New Mexico's White Sands National Park might reveal about the peopling of the Americas. (60 minutes)
Tue, 12/16 at 11:00 pm on Austin PBS WORLD
Ice Age Footprints
A look at what thousands of prehistoric footprints in New Mexico's White Sands National Park might reveal about the peopling of the Americas. (60 minutes)
Wed, 12/17 at 7:00 am on Austin PBS WORLD
Ice Age Footprints
A look at what thousands of prehistoric footprints in New Mexico's White Sands National Park might reveal about the peopling of the Americas. (60 minutes)
Wed, 12/17 at 8:00 pm on Austin PBS HDTV
Polar Extremes
Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life. (120 minutes)
Thu, 12/18 at 1:30 am on Austin PBS HDTV
Polar Extremes
Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life. (120 minutes)
Sun, 12/21 at 2:00 am on Austin PBS HDTV
Polar Extremes
Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life. (120 minutes)
Sun, 12/21 at 2:55 pm on Austin PBS HDTV
Polar Extremes
Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life. (120 minutes)
Tue, 12/23 at 6:00 pm on Austin PBS WORLD
Polar Extremes
Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life. (120 minutes)