Vol. 110 No. 11/12 (2014)

About the cover: 

The Golden Ratio – elucidated by Boeyens and Thackeray in an article in this issue – is expressed in the spiral structure of the cochlear of a fossil hominin (about 2 million years old) from the Cradle of Humankind World Heritage Site, South Africa. (Cochlear image, based on CT scans: Jose Braga. Diagram of the golden ratio is included for illustrative purposes only.)

Full online issue available here