Neil deGrasse Tyson Explores Life's Big Questions 🌌

Why are we here? Who are we? What is the meaning of life? We revisit an episode where Neil deGrasse Tyson and comic co-host Chuck Nice answer fan-submitted Cosmic Queries on topics that stem from the deepest thoughts, ideas, and feelings we share about our place in the universe.

You’ll learn about the differences between human and chimpanzee DNA and what that could mean for humans in comparison to highly intelligent aliens. Do we have the intelligence of an alien toddler? Is the universe out of reach of the human brain? We debate how long humanity will last and you’ll hear why Neil has confidence humanity will last given the collective nature of our intelligence.

Then, we dive into the big question: what is the meaning of life? Neil shares his thoughts on how he finds meaning in his own life. Discover more about the “vacuum” of space. How far behind or ahead we’d be if we didn’t have moon? Lastly, you’ll learn about higher dimensions and if they’re bleeding into our own universe.

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About StarTalk:
Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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00:00 - Humans & Chimps
4:30 - Accumulating Human Knowledge
5:24 - How Long Will Humans Survive?
8:46 - What is the Meaning of Human Existence?
11:58 - How is Space a Vacuum?
13:45 - If Earth Didn’t Have Moon
15:44 - 4D Matter