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13:22
Brian Cox explica la paradoja de Fermi
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Brian Cox - Alien Life & The Zoo Hypothesis
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The Simplest Unsolved Problem in Math
12:47
How Would The United States Fight A Nuclear War?
10:50
Scientists Find The Most Massive Stellar Black Hole Ever Detected in The Milky Way Galaxy
50:48
What Happens If We’re Contacted By Aliens?
36:27
The Strangest Idea in Science: Quantum Immortality
52:55