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. (90 minutes)
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UPCOMING EPISODES
Wed, 3/4 at 8:30 pm on Austin PBS HDTV
The Planets: Mars
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life. (90 minutes)
Thu, 3/5 at 2:00 am on Austin PBS HDTV
The Planets: Mars
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life. (90 minutes)
Tue, 3/10 at 6:00 pm on Austin PBS WORLD
The Planets: Mars
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life. (90 minutes)
Tue, 3/10 at 11:00 pm on Austin PBS WORLD
The Planets: Mars
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life. (90 minutes)
Wed, 3/11 at 7:00 am on Austin PBS WORLD
The Planets: Mars
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life. (90 minutes)