Re: Nuestras ancestras viajaban más que nuestros ancestros.

SciAm tiene otro artículo, bastante más completo y matizado:

«I must say that the hypothesis is interesting,» says Jacopo Moggi-Cecchi, a palaeoanthropologist at the University of Florence in Italy, «but I think the numbers and the samples that they have are not large enough to prove it.»

Female Australopiths Left Home Once Mature, Males Didn't: Scientific American