An early hominid, Homo ergaster, depicted in this diorama from the American Museum of Natural History's Hall of Human Biology and Evolution, lived nearly 2 million years ago in the eastern Rift Valley of Africa. Mental Asociado, Human Evolution, Human Biology, Years Ago, Investigador Descubr, Proceso Mental, Human Factor
Also on these boards
Neanderthals Were as Smart as Early Humans. Anthropologists have found that complex interbreeding and assimilation may have been responsible for their disappearance about 40,000 years ago, not the superiority of their humans. “Although many still search for a simple explanation and like to attribute the Neanderthal demise to a single factor, such as cognitive or technological inferiority, archaeology shows that there is no support for such interpretations.”
Human heart - Dr David Barlow has won the prestigious Lennart Nilsson award for his spectacular images of the human body. This image, of one of the chambers of the human heart, shows clearly the detailed structure of muscle and valve. The prize, awarded each year, is given for the best visual representation of science, medicine, biology and technology.