NOVA
Space Shuttle Disaster - Preview
Airs Thursday, January 31, 2013 at 10:00 p.m. ET/PT. Check your local listings.
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Ground Zero Supertower Preview
Engineers race to complete 1 World Trade Center as they grapple with the final challenges.
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Mystery of Easter Island Preview
A team of scientists and volunteers test a theory on how these ancient statues were moved.
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Bird Brain Preview
Watch as birds solve puzzles and challenge our basic notions of intelligence.
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Alien Planets Revealed Preview
Are we alone—and if not, what might the inhabitants of far-flung worlds look like?