Sentences with phrase «earliest hominid shows»

He hinted that gestural theory could clear up another mystery about this period as well: why the stone tools of these early hominids show little evolution for almost two million years, despite increases in brain size.

Not exact matches

At the time, Falk argued that four endocasts from southern African hominids — three Australopithecus africanus and one Australopithecus sediba — showed folding patterns that suggested that brain reorganization was underway as early as 3 million years ago in a frontal area involved in human speech production.

He has analyzed genetic relationships among diverse groups of people and finds that today's humans show evidence of interbreeding among Homo erectus, Homo sapiens, and other early hominids over a wide span of time, from as far back as 1.5 million years ago until the last hypothesized global migration, around 80,000 years ago.

However, fossil discoveries show that millions of years after early hominids became bipedal, they still had small brains.