Silurian Hypothesis: Was There Another Civilization on Earth Before Humans

 Scientists are investigating the question of whether there was an advanced civilization in the past that died as a result of global warming, provoked by its actions on the planet.

The Silurian Hypothesis suggests that millions of years ago there could have been a non-human civilization on Earth capable of transforming the world enough to cause climate changes comparable to or greater than those caused by mankind during the industrial age....<<<Read More>>....