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  1. What If All Helium Disappeared for 5 Seconds?

    What If All Helium Disappeared for 5 Seconds?

    48
  2. What If Earth Was a Pulsar Planet?

    What If Earth Was a Pulsar Planet?

    16
  3. What If You Had Eyes Like a Fly?

    What If You Had Eyes Like a Fly?

    3
    0
    29
    2
  4. What If Earth Had Jupiter's Magnetic Field?

    What If Earth Had Jupiter's Magnetic Field?

    2
    0
    12
    1
  5. What If Pluto Was a Real Planet?

    What If Pluto Was a Real Planet?

    2
    0
    60
    1
  6. Science Reveals What We’ll Look Like in 1,000 Years

    Science Reveals What We’ll Look Like in 1,000 Years

    2
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    10
  7. What If We Nuked Jupiter?

    What If We Nuked Jupiter?

    2
    0
    19
    1
  8. What If Lizard People Ruled the World?

    What If Lizard People Ruled the World?

    26
  9. What If Jupiter Collided With Earth?

    What If Jupiter Collided With Earth?

    2
    0
    21
    1
  10. What If Dinosaur Killing Astroid Hit Earth Today?

    What If Dinosaur Killing Astroid Hit Earth Today?

    33
    1
  11. What If Earth Gradually Came to a Standstill?

    What If Earth Gradually Came to a Standstill?

    19
  12. What If the Megalodon Shark Never Went Extinct?

    What If the Megalodon Shark Never Went Extinct?

    24
  13. What If Earth’s Oceans Evaporated?

    What If Earth’s Oceans Evaporated?

    1
    1
    18
  14. What If Cthulhu Was Real?

    What If Cthulhu Was Real?

    18
  15. Where Stars Are Born: Exploring the Universe's Biggest Stellar Nursery

    Where Stars Are Born: Exploring the Universe's Biggest Stellar Nursery

    27
  16. What If Latin America Was a Single Country?

    What If Latin America Was a Single Country?

    17
  17. What If You Lived in the Stone Age?

    What If You Lived in the Stone Age?

    2
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    30
    1
  18. What If Earth's Population Lived In The Same Skyscraper?

    What If Earth's Population Lived In The Same Skyscraper?

    27
  19. What If You Crashed on an Alien Planet?

    What If You Crashed on an Alien Planet?

    11
  20. The First 48 Hours After Aliens Make Contact

    The First 48 Hours After Aliens Make Contact

    23
  21. What If Aliens Lived on The Moon?

    What If Aliens Lived on The Moon?

    21