ABSTRACT: The paper posits that kin sociality and eusociality are derived from the handicap-care principles based on the need-based care to the handicappers from the caregivers for the self-interest ...

Lucy might be one of the most iconic human ancestors, but she had a neighboring species that has gone unidentified—until now.

In 2009, paleoanthropologists found eight bones from the foot of an ancient human ancestor in 3.4-million-year-old sediments at the paleontological site of Woranso-Mille in the Afar Rift in Ethiopia.

Fragments of BRT-VP-2/135 before assembly. The specimen was found in 29 pieces of which 27 of them were recovered by sifting and picking the sifted dirt. With the help of newly identified bones, an ...

Fred Spoor is at the Centre for Human Evolution Research, Natural History Museum, London SW7 5BD, UK, and in the Department of Human Origins, Max Planck Institute for Evolutionary Anthropology, ...