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Special Report: San Francisco's Tenderloin – A State of Emergency
submitted 5 months ago by flowerpot from youtube.com
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[–]marbles 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - 5 months ago (1 child)
nice. is this it?
video: carl sagan on alien civilizations
[–]Brewdabier 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - 5 months ago (0 children)
Not that one, he said in our universe one plant has life forms that we know of. And that's earth, then using math he told us how many universes we know of. 2 trillion galaxies in the observable Universe and he went on to explain the possibility's of living life forms on other planets.