1 month ago
25
ARTICLE AD BOX
Human evolution is closely tied to a steady increase in brain size. New research suggests this expansion may be partly influenced by levels of estrogen before birth, with an unexpected indicator found in the length of our fingers.
Professor John Manning, part of Swansea's Applied Sports, Technology, Exercise and Med-icine (A-STEM) research team, has spent years studying what is known as digit ratio. This measure compares the length of the index finger to the r...
English (US) ·