Earth mars comparison

Check out this podcast...NOVA Science Video Podcast | PBS

Specifically episode NOVA Short | The Weather on Mars

Play: http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/MARS_vod_web.mp4

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Smart bridge

Check out this podcast...NOVA Science Video Podcast | PBS

Specifically episode (Repeat) NSN | Smart Bridges

Play: http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/Smart_Bridges_vod.mp4

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Earthquakes nova

Check out this podcast...NOVA Science Video Podcast | PBS

Specifically episode (repeat) NSN | Earthquakes in the Midwest

Play: http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/Earthquakes_Midwest_vod.mp4

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3 types of volcanoes

Check out this podcast...NOVA Science Video Podcast | PBS

Specifically episode NOVA Short| Meet the Volcanoes

Play: http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/Meet-Volcanoes-vod.mp4

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