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  • SEASON 1 1 episode available
  • SEASON 2 24 episodes available
  • SEASON 3 14 episodes available
  • SEASON 4 11 episodes available
  • SEASON 5 19 episodes available
  • SEASON 6 14 episodes available
  • SEASON 7 17 episodes available
  • SEASON 8 16 episodes available
  • SEASON 9 22 episodes available
  • SEASON 10 19 episodes available
  • SEASON 11 14 episodes available
  • SEASON 12 31 episodes available
  • SEASON 13 25 episodes available
  • SEASON 14 31 episodes available
  • SEASON 15 13 episodes available
  • SEASON 16 19 episodes available
  • SEASON 17 9 episodes available

Full Episodes

S 1 E 11

Then And Now: Aswan Dam

Aired on Sep 11, 2000
In 1954, Gamal Abdel Nasser, the Arab Republic of Egypt's first prime minister, had a plan to bring his poor country into the 20th century. To pull it off, he needed to harness the flow of the world's longest river--the Nile.
  • Light Energy: A Bright Future

  • Hanging

  • Hubble Telescope Troubles

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