this post was submitted on 04 Sep 2024
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Pupil Size Is a Marker of Intelligence (getpocket.com)
submitted 2 months ago by m3t00@lemmy.world to c/science@lemmy.world
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source URL: a Firefox start page story with many links to sources for further reading.

getpocket.com - seems not too spammy though looks like click-bait. lmk. usually don't notice them on new tabs

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[–] Head@lemmings.world 10 points 2 months ago

It says in the article that the pupils enlarge with increased concentration. Perhaps more intelligent people are just always paying attention in new surroundings, where less intelligent people are more disinterested.