NOVA
Ancient Earth: Birth of the Sky
Animation and science experts reveal how the blue sky came to be. (60 minutes)
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UPCOMING EPISODES
Sun, 9/20 at 3:00 am on Austin PBS HDTV
The Battle to Breathe
The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)
Sun, 9/20 at 5:00 pm on Austin PBS HDTV
The Battle to Breathe
The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)
Tue, 9/22 at 6:00 pm on Austin PBS WORLD
The Battle to Breathe
The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)
Tue, 9/22 at 11:00 pm on Austin PBS WORLD
The Battle to Breathe
The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)
Wed, 9/23 at 7:00 am on Austin PBS WORLD
The Battle to Breathe
The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)
Wed, 9/23 at 8:00 pm on Austin PBS HDTV
Knowledge Keepers
How cultural traditions have led to remarkable innovations, from navigating the featureless Arctic to building energy-efficient homes in the desert. (60 minutes)
Thu, 9/24 at 1:30 am on Austin PBS HDTV
Knowledge Keepers
How cultural traditions have led to remarkable innovations, from navigating the featureless Arctic to building energy-efficient homes in the desert. (60 minutes)