What would happen if an 8-mile wide asteroid was on a c...
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Length: 04:09
Posted: 11/3/2009
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What would you do if your town had just been hit by a d...
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Length: 03:59
Posted: 11/2/2009
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Season 9: The Zambelli fireworks team puts on their fin...
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Length: 03:27
Posted: 7/7/2009
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Season 9: Talk about hanging ten: imagine the wave a me...
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Length: 02:32
Posted: 6/29/2009
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Season 6: Stephen Hawking's theory of black holes and R...
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Length: 05:22
Posted: 6/23/2009
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Season 6: Probes use airbags to lessen landing impact.
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Length: 02:16
Posted: 6/23/2009
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Season 6: Three variables known as the Milankovitch Cyc...
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Length: 04:29
Posted: 6/23/2009
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| |
