NOVA.

NOVA

Polar Extremes

Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life. (60 minutes)

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UPCOMING EPISODES

Wed, 5/8 at 9:00 pm on Austin PBS HDTV

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Thu, 5/9 at 2:00 am on Austin PBS HDTV

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Sun, 5/12 at 5:30 pm on Austin PBS HDTV

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Tue, 5/14 at 6:00 pm on Austin PBS WORLD

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Tue, 5/14 at 11:00 pm on Austin PBS WORLD

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Wed, 5/15 at 7:00 am on Austin PBS WORLD

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Wed, 5/15 at 8:00 pm on Austin PBS HDTV

Secrets in Your Data

Alok Patel takes a look at what happens to the personal data shared on social media and efforts to maximize benefits without compromising personal privacy. (60 minutes)