Pollution of 400,000 Years Ago

The fossil teeth found in Israel, containing the oldest traces of pollution found so far

pollution it's not just a modern problem, on the contrary.

A recent discovery also contributes to demonstrating how old and consolidated the coexistence between human beings and harmful substances is occurred in Israel , where the analysis of the teeth of hominids lived about 400,000 years ago, revealed the presence of traces of pollutants due to use and continuous contact with coal smoke , mainly used for cooking food.

Traces of pollutants, to be precise, are contained in tartar with which the teeth themselves are abundantly covered; finally, the presence of tiny particles of vegetable fibers would testify to the daily use of rudimentary toothpicks to clean your teeth after eating.

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