Bird Pinkerton

speaker

1,078 appearances 11 recordings 1 series first heard Apr 2026 last heard 5d ago

Bird Pinkerton’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 11 in all, peaking in Sep 2026 with 3.

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Unexplainable · The cells we share · 1 Jun 2026 podcast

So a trillion is like a million million, right?

So if you're doing the math, could potentially be...

30 million cells from me floating around in you.

Oh.

Yeah, but so some people have more.

Some people have fewer.

They're usually more during pregnancy, and then your immune system kind of gets rid of a lot of them.

But around the 1990s is when researchers started to realize that some cells were really sticking around in the parent long term.

like potentially for the parent's whole life, which was surprising, right?

And a lot of these cells are probably stem cells.

So do you know what a stem cell is?

Okay, so a stem cell is like the...

the really basic cells that then develop into other tissues.

So they're kind of like a jack-of-all-trades flexible cells.

They can turn into any kind of cell.

So you can basically imagine like the fetus has these flexible cells, right?

And then some of those cells travel into the placenta, which Amy was telling me is kind of like the main connector between the fetus and the parent.

It's this super highway.

So the fetus's cells sort of travel along this highway into the parent's body, hitching a ride in the circulatory system probably, right?

And they finish their road trip eventually in the heart, say, or the lungs or the brain, sort of all over the body.

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