I can do this too, but never thought to ask if anyone else could. How rare are w... | Hacker News

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sourthyme on Sept 2, 2021 | parent | context | favorite | on: Man can change his pupil size on command

I can do this too, but never thought to ask if anyone else could. How rare are we talking about?

bejelentkezni on Sept 2, 2021 [–]

I can do it just fine. I think most people can.

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