Newborn chicks match “kiki” with spiky shapes and “bouba” with round ones, revealing the curious bouba-kiki effect in animals.

Regardless of your cultural background, your personal experiences, or your mother tongue, you will almost certainly associate the nonsense word "kiki" with a spiky, jagged shape, while "bouba" seems ...

When we hear certain sounds, our brains often pair them with specific shapes. For example, most people will associate a sharp-sounding word with a jagged, pointed shape, while a soft, rolling word is ...