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, 5/12 at 6:00 pm on Austin PBS WORLD

Decoding the Universe: Cosmos

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Tue, 5/12 at 11:00 pm on Austin PBS WORLD

Decoding the Universe: Cosmos

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Wed, 5/13 at 7:00 am on Austin PBS WORLD

Decoding the Universe: Cosmos

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Wed, 5/13 at 8:00 pm on Austin PBS HDTV