20150910

Η ποικιλομορφία ως θεμελιώδης αρχή της εξέλιξης

http://www.bbc.com/news/science-environment-34192447

"... Prof Berger believes that the discovery of a creature that has such a mix of modern and primitive features should make scientists rethink the definition of what it is to be human - so much so that he himself is reluctant to describe naledi as human.

Other researchers working in the field, such as Prof Stringer, believe that naledi should be described as a primitive human. But he agrees that current theories need to be re-evaluated and that we have only just scratched the surface of the rich and complex story of human evolution. ..."