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12:47
YouTube
Big Think
Why haven’t we found aliens? A physicist shares the most popular theories. | Brian Cox
Chances are, we’re not alone in the universe. But if that’s true — why can’t we seem to find our neighbors? This question is known as the Fermi paradox, and it continues to go unsolved. However, some theories could offer potential solutions. Physicist Brian Cox explains the paradox and walks us through our best guesses as to the reason ...
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