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NOVA - Origins: Where are the Aliens?

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Mystery of Easter Island
Mystery of Easter Island
A team of scientists and volunteers test a theory on how the ancient stone statues were moved, using a 15-ton replica.
Air date: 11/08/2012 Watch
http://video.pbs.org/widget/partnerplayer/2299677471/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false A team of scientists and volunteers test a theory on how the ancient stone statues were moved, using a 15-ton replica. /episodes/get/6135 /episode/6135 NOVA: Mystery of Easter Island /episode-player/6135
Forensics on Trial
Forensics on Trial
Virtual autopsies, 3-D fingerprints, and digital crime scenes are making crime-solving into a more precise science.
Air date: 10/18/2012 Watch
http://video.pbs.org/widget/partnerplayer/2290878958/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false Virtual autopsies, 3-D fingerprints, and digital crime scenes are making crime-solving into a more precise science. /episodes/get/5969 /episode/5969 NOVA: Forensics on Trial /episode-player/5969
Secrets of the Viking Sword
Secrets of the Viking Sword
A modern-day swordsmith reverse engineers the ultimate weapon of the Middle Ages ? a sword both prized and feared.
Air date: 10/11/2012 Watch
http://video.pbs.org/widget/partnerplayer/2284159044/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false A modern-day swordsmith reverse engineers the ultimate weapon of the Middle Ages ? a sword both prized and feared. /episodes/get/5835 /episode/5835 NOVA: Secrets of the Viking Sword /episode-player/5835
Secrets of the Sun
Secrets of the Sun
New tools let scientists better grasp our star's potentially destructive solar storms.
Air date: 04/25/2012 Watch
http://video.pbs.org/widget/partnerplayer/2226474716/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false New tools let scientists better grasp our star's potentially destructive solar storms. /episodes/get/2399 /episode/2399 NOVA: Secrets of the Sun /episode-player/2399
The Fabric of the Cosmos: What Is Space?
The Fabric of the Cosmos: What Is Space?
Surprising clues indicate that space is very much something and not nothing.
Air date: 11/02/2011 Watch
http://video.pbs.org/widget/partnerplayer/2163057527/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false Surprising clues indicate that space is very much something and not nothing. /episodes/get/2434 /episode/2434 NOVA: The Fabric of the Cosmos: What Is Space? /episode-player/2434