It seems absurd in a universe with 100 billion galaxies, each with billions of stars and planets, that we are the only intelligent life. So where are all the others? This is...
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Topic Series
9 videos
1:19:59
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What do scientists mean when they call the laws and regularities of nature “beautiful”? On the largest supra-cosmic scales, and on the smallest sub-atomic scales,...
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Episode
Episode 03
Season 03
26:46
If the universe had been ever so slightly different, human beings wouldn’t, couldn’t, exist. All explanations of this exquisite fine-tuning, obvious and...
Episode 02
When we speak about the future of the universe, we mean when our sun burns out, when galaxies collide, when everything flies apart and ultimately evaporates. Do the untold...
32:15
The universe works for us because deep physical laws seem to work. But if the values of these laws would much change, in either direction, then all we see and know could not...
7 videos
53:34
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...
6 videos
56:15
Our universe must be “just so” in order for life and mind-for us-to exist. “Just so” is called “fine-tuning,” and it cries out for...
Season 09
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
We human beings sit roughly midway between the sizes of atoms and galaxies, and both must be so perfectly structured for us to exist. It’s called...
1:07:30
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
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
