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  1. What if the Worst Asteroids From the Past Hit Earth Tomorrow?

    What if the Worst Asteroids From the Past Hit Earth Tomorrow?

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  2. What If Humans Suddenly Became as Big as Dinosaurs?

    What If Humans Suddenly Became as Big as Dinosaurs?

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  3. What If South America Disappeared?

    What If South America Disappeared?

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  4. What If Pluto Was a Real Planet?

    What If Pluto Was a Real Planet?

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  5. What if you fell into Jupiter's red spot?

    What if you fell into Jupiter's red spot?

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  6. What If Humans Evolved Underwater?

    What If Humans Evolved Underwater?

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  7. 19 Seventh Station _Crewmember_ Conducts Historic Handshake

    19 Seventh Station _Crewmember_ Conducts Historic Handshake

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  8. What If Entire Kardashev Scale Explained In 20 Minutes.

    What If Entire Kardashev Scale Explained In 20 Minutes.

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  9. 24 Station Crew Discusses Life in Space with Texas Students

    24 Station Crew Discusses Life in Space with Texas Students

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  10. Not So Heavy Metal

    Not So Heavy Metal

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  11. 23 European Station Astronaut Discusses Fitness in Space With European Students

    23 European Station Astronaut Discusses Fitness in Space With European Students

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  12. Expedition 27 Crew Lands Safely in Kazakhstan

    Expedition 27 Crew Lands Safely in Kazakhstan

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  13. New Residents Welcomed to Station

    New Residents Welcomed to Station

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  14. Brian Cox - What Was There Before The Big Bang? | Nasa Video

    Brian Cox - What Was There Before The Big Bang? | Nasa Video

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  15. 13 NASA Women's History Month Profile -- Alberta Moran

    13 NASA Women's History Month Profile -- Alberta Moran

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  16. 2 NASA Women's History Month Profile - Sandra Turner

    2 NASA Women's History Month Profile - Sandra Turner

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  17. Station Crew Discusses Life In Space With News Media

    Station Crew Discusses Life In Space With News Media

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  18. Station Crew Discusses Life In Space With News Media

    Station Crew Discusses Life In Space With News Media

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  19. NASA Future Forum- How Commercial Space Benefits U.S.

    NASA Future Forum- How Commercial Space Benefits U.S.

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  20. NASA Future Forum Hosted by Seattle's Museum of Flight

    NASA Future Forum Hosted by Seattle's Museum of Flight

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  21. NASA Future Forum Panel- Technology and Innovation

    NASA Future Forum Panel- Technology and Innovation

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  22. What If We Killed All Snakes?

    What If We Killed All Snakes?

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  23. What If Earth Colloid With Mars?

    What If Earth Colloid With Mars?

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  25. What If the Megalodon Shark Never Went Extinct?

    What If the Megalodon Shark Never Went Extinct?

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