What is the largest biological cell that most people will see on a regular basis?

The answer to that at the end of the show. My name's Tom Scott, and this is Lateral.

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And the first of those guests is from the SciShow Tangents Podcasts and many other things besides. Please welcome Hank Green. Hello! Welcome to your first play on Lateral. How are you doing today? What else is going on in your world at the moment? Because I, like, I said SciShow Tangents. There's a lot.

Yeah, there's plenty. There's always plenty. I actually right now I'm doing a bunch of research on, I don't know if you've heard of the Newgate jail experiments where they, the first people

to get smallpox vaccines. So I've got deep into the weeds on these six people who were the

first people to get inoculate, not a vaccine, but to get

very elated with smallpox. And they're a bunch of weirdos. They're all like mostly teenagers.

There's, I think there was, well, I think there's seven of them. There's, there's, but one of them

turned out that he had had smallpox before. And he cheated his way to the trial because he,

you got a pardon in exchange for doing this medical experiment on you. But that's one of the things.

And I'm doing research on that because I'm working on a book about cancer. And I also wanted to,

since one of the big things about cancer is, is being involved in medical trials. I went into

...