Week 7
Intelligent Extraterrestrials?
Most physicists think it is better to be smart than stupid. If they are correct, we should expect aliens with technological intelligence. But if so, where is everybody? Most biologists are not convinced that human-like intelligence is a convergent feature of evolution. Paleontology supports the biologists.
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11:36
7.1.1 The Great Intelligence Debate
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09:12
7.1.2 Human Exceptionalism and the Ladder of Life
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16:38
7.1.3 Planet of the Apes Fallacy
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07:53
7.1.4 Rerunning the Tape of Life
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17:56
7.1.5 Convergence vs Deep Homology
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06:50
7.2.1 Is the Universe Without Life a Waste of Space?
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06:51
7.2.2 What Kind of Alien Would You Like to Meet?
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03:01
7.2.3 Have you Ever Seen a UFO?
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07:37
7.2.4 I have seen a UFO
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07:12
7.2.5 Fermi Paradox
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03:26
7.2.6 Are We Alone?
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16:15
7.3.1 Should We Expect ETs to Have Human-like Intelligence?
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06:54
7.4.1 Seth Shostak: radio astronomer
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06:52
7.4.2 Jerry Ostriker: astrophysicist
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07:52
7.4.3 William Bains: biochemist
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09:46
7.4.4 William Bains sings about Astrobiology
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06:53
7.4.5 Robin Hansen: economist
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19:33
7.5.1 Student Discussion
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01:20
7.5.2 What Aliens Might Exist?