Sub Zero
More In Series: Modern Marvels http://www.learn360.com/ShowVideo.aspx?ID=231115
Grade(s): 6-8, 9-12
Run Time: [45:13]
See how survival suits, snowmobiles and icebreakers have helped man conquer the earth's most chilling places. The human stories behind the inventions and technologies that shape our world. Travel to the South Pole and see how NASA protects astronauts.
©2005, A&E Television Networks.
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