english: They speculate that because angles in nature are often associated with objects that might be dangerous to us, that we evolved an unconscious sense of caution around these shapes, whereas curves set us at ease.
non_english: Nagađaju, pošto se oštre ivice u prirodi često vezuju za predmete koji mogu biti opasni po nas, da smo razvili nesvestan osećaj opreza kada smo u blizini ovih predmeta, dok nas obli predmeti smiruju.