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Michael Levin

๐Ÿ‘ค Speaker
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4080 total appearances
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Podcast Appearances

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Normally, when all these cells are connected by gap junctions into an electrical network, they are all one self, right?

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Meaning that...

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Their goals, they have these large tissue level goals and so on.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

As soon as a cell is disconnected from that, the self is tiny, right?

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

And so at that point, and so a lot of people model cancer cells as being more selfish and all that.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

They're not more selfish.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

They're equally selfish.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

It's just that their self is smaller.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Normally, the self is huge.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Now they got tiny little selves.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Now, what are the goals of tiny little selves?

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Well, proliferate and migrate to wherever life is good.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

And that's metastasis.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

That's proliferation and metastasis.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

So, so one thing we found and people have noticed years ago that when cells convert to cancer, the first thing they see is they close the gap junctions.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

And it's a lot like, I think it's a lot like that experiment with the slime mold where until you close that gap junction, you can't even entertain the idea of leaving the collective because there is no you at that point, right?

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

Your mind melded with this, with this whole other network.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

But as soon as the gap junction is closed, now the boundary between you and now the rest of the body is just outside environment to you.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

You're just a unicellular organism in the rest of the body's environment.

Lex Fridman Podcast
#325 โ€“ Michael Levin: Biology, Life, Aliens, Evolution, Embryogenesis & Xenobots

So we studied this process and we worked out a way to artificially control the bioelectric state of these cells to physically force them to remain in that network.