Judaism and Science

Although, based on the news media, it is difficult to believe that Homo Sapiens (“HS”) have become biologically gentler, an apparent reduction in testosterone about 50-60,000 years ago led to human personalities becoming gentler and human faces becoming more feminine, according to a new study based on measurements of more than 1,400 ancient and modern skulls. This led people to have gentler personalities and to great advances in art and tool making.

The study, published in the August 2014 issue of the journal Current Anthropology, found that human skulls changed in ways that indicate a lowering of testosterone levels at around the same time that culture was blossoming. The study’s lead author, Robert Cieri, said: The modern human behaviors of technological innovation, making art and rapid cultural exchange probably came at the same time that we developed a more cooperative temperament resulting from having a little less testosterone in action.  read more