Physiology. Math clears up an inner-ear mystery: spiral shape pumps up the bass.
Adrian
A
Cho
D001307:Auditory Perception; D003051:Cochlea / Q000033:anatomy & histology* / Q000502:physiology*; D006198:Hair Cells, Auditory / Q000502:physiology; D006309:Hearing / Q000502:physiology*; D006801:Humans; D008433:Mathematics; D013016:Sound