He draws on past and recent archaeological studies indicating that the emergence of state - run societies around 6,000 years ago represented a cultural step backward in some important ways. (sciencenews.org)
They play an important role in applied sciences as well as industrial and commercial research, with uses ranging from the measurement of stress in commercial airplane wings to the inspection of details inside valuable artifacts in archaeological studies. (insidescience.org)
Other archaeological studies showed much earlier evidence of domesticated rice around the Yangtse Valley. (irri.org)