Acknowledging that differences in the shape of the human nose may come down to a random process called genetic drift, the ...

Both influenced human nose evolution. Climate changes conjure up significant ... Their interest was twofold: how did genetic drift affect nose shape, and how much did varied natural selection in ...

The noses of many mammals ... On the other hand, some shapes are the result of mechanical constraints. The human brain's convolutions, for example, are produced by a process of differential ...