Scientists found at the bottom of the Dead sea, the oldest geological evidence of direct human impact on the environment.
The results of the study, which was first published in the American edition of Global and Planetary Change, suggests that the 11,500 years ago began an active dump sand and other sediments in the Dead sea. The rate of the dumping of sand more than four times higher than those which are known in the prior period.
According to scientists, there is no doubt that we are talking about the deliberate actions of people, not about a particular phenomenon of nature.
The results of the study were obtained by drilling in the basin of the Dead sea. The penetration depth was up to 465 meters.
According to scientists, these studies indicate that in the period called the time of the Neolithic revolution, people began to settle in large villages, moving from the economy of hunting and gathering to agriculture, based on agriculture and animal husbandry.