How Humans Living in Civilization are Like Domesticated A...

The first characteristic is living in an artificial environment. Humans established cities and converted the space we live in, to the utmost degree, into an artificial environment. We carry out our lives surrounded by houses, roads, water and sewer systems, automobiles, trains, and electricity. Waking up early, riding a train to one’s place of employment, and working in an air-conditioned office bears a certain resemblance to a chicken in a livestock factory. [7/8] The second characte...

 Did Lower Testosterone Help Civilize Humanity?

A new study appearing Aug. 1 in the journal Current Anthropology finds that human skulls changed in ways that indicate a lowering of testosterone levels at around the same time that culture was blossoming. “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,” said lead author Robert Cieri, a biology graduate student at the University of Utah who began this work as a...