Becoming Human

In a paper published in the journal Nature this week, Yohannes Haile Selassie et al. attribute a fossil cranium found in Ethiopia in 2016 to the species Australopithecus anamensis and discourse on its relationship to fossils of the same species found earlier, as well as its relationship to A. afarensis, until now thought to be an evolutionary descendant of A.

A paper in the journal Science this week offers evidence of the as yet oldest human occupational site in the New World. The site is Cooper's Ferry in Idaho and radio carbon dating yields an age range of 16560 to 15280 years ago. The authors, Davis et al.