new like on twitter.com March 11, 2021 at 12:00PM

Thailand’s Moken sea gypsies can see twice as clearly underwater by controlling the size of their pupils. But what was generally considered an automatic reflex for the rest of us, is now thought to be something that any child under 5 could learn how to do https://t.co/DMkmAqdqXspic.twitter.com/qJYw3P2YxM

— Massimo (@Rainmaker1973) March 11, 2021

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