Everything in the universe has a beginning, but how can the universe as a whole have a beginning? Does the cosmos come with a start date? Does a universal commencement make...
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Topic Series
6 videos
57:17
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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, why do...
5 videos
55:55
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...
video
Episode
Episode 02
Season 09
26:46
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...
56:15
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
Dark energy, the repulsive energy of empty space, was one of the most unexpected and astonishing discoveries in recent science. Most scientists had expected that the...
57:21
The universe works for us because of deep physical laws. But if the values of these laws would much change, then all we see and know could not exist.
Episode 08
Season 12
Our universe seems fine-tuned for life, with the constants of physical laws having to be within tight boundaries. Does this mean that the universe has a goal of...
12 videos
1:30:43
It’s among the oldest questions because we humans are rightly obsessed by ultimate origins. Cosmologists can now explain back to the first 10-36 second of our universe...
44:06
Here’s the claim: conditions of the universe relate to the presence of observers. Does the Anthropic Principle convey deep insights? Or thwart science? For sure, it’s...
Episode 04
Season 19
26:48
The early universe was a superhot plasma of particles all running seemingly at random as if in a gigantic cauldron. How then the structure we see today with galaxies, stars,...
8 videos
1:08:19
We know our universe is expanding—this is one of humankind’s seminal discoveries. What caused such colossal expansion? We call it the Big Bang, but what were the...
7 videos
1:13:08