I look up and I look down and I chill with awe. I look up to the universe and envision hundreds of billions of galaxies. I look down to the atom and imagine minuscule,...
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Episode
Episode 02
Season 07
26:45
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How can so many numbers of nature—the constants and relationships of physics—be so spot-on perfect for humans to exist? Coincidence and luck seem wildly unlikely. This...
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Topic Series
6 videos
56:15
Our universe has been developing for about 14 billion years, but human-level intelligence, at least on Earth, has emerged in a remarkably short period of time, measured in...
10 videos
1:27:53
The Copernican Principle asserts that humans are not special, that we should expect to find ourselves in an ordinary place or position. But if humanity continues for billions...
5 videos
50:35
Why does alien intelligence hold such fascination? Can we even conceive of what they might be like? To appreciate intelligent, sentient life in the universe, right now we...
1:15:11
Our universe has existed for about 14 billion years. Looking backwards, that’s about 1 followed by 10 zeros. Looking forwards, into the far far future, cosmologists can...
42:07
Most scientists assume that the universe must be populated with innumerable alien intelligences and civilizations—after all, there are billions of galaxies each with...
1:32:28
Have we underestimated the risks of global catastrophe and human extinction? There is an odd argument that claims to justify end-of-the-world worries with raw statistics.
Season 16
26:47
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News
04.17.20
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There are two basic theories about how the universe will end. Neither are pleasant. The first spells out an inward-rushing, squashing-together of all things and the second...
Roundtable
27:39
