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PGXploration Nation: Earth 2050
Using millions of plastic balls to conserve water; figuring out ways for astronauts to survive on Mars; glaciers provide clues about Earth's water supply.
Using millions of plastic balls to conserve water; figuring out ways for astronauts to survive on Mars; glaciers provide clues about Earth's water supply.
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Scientists, inventors and creative thinkers predict advances in science, technology and engineering.
Original Air Date: Sep 8, 2014
Genres: NatureTV Series
Rating: PG
Playback: HD