https://mathstodon.xyz/@johncarlosbaez/116115581109436536
THE BOUBA/KIKI EFFECT
Which of these shapes looks like the sound "bouba", and which looks like the sound "kiki"?
People of all cultures agree on this, and now it's been found that baby chicks do too:
https://phys.org/news/2026-02-bouba-kiki-effect-baby-chicks.html
It may seem weird that sounds should robustly match with shapes, but I think it follows from physics - and living as we do in the physical world, it pays for us to have these associations.
For more:
https://en.wikipedia.org/wiki/Bouba/kiki_effect
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