The word "hominin" refers to a group of species from the same family as humans. These species include early human ancestors and their close relatives who walked on two legs. Full definition
Until now, it had only been possible to sequence the genomes of hominin fossils found in cold climates; DNA breaks down faster in warmer climates like Spain's. (newscientist.com)
They also suggest that sexual dimorphism — the physical distinction between genders, with females typically smaller in mammals — was more prevalent in early hominin species but then steadily ironed out by evolution. (sciencedaily.com)
The rift, which passes through Tanzania, is famous for being the site of early hominin fossil discoveries including the 3.2 - million - year - old Lucy (Australopithecus afarensis). (newscientist.com)