Known to use lights when there is an explosion of the volcano in Africa. That occurred when approximately four hundred thousand years ago. It is the first scientific discovery of the human being. After that, the men began to perform better and be useful until today.
Human use of fire when a volcanic eruption in Africa. This happened about four hundred years ago, marks the first scientific discovery of the human being, it's getting better. And power was utilized continue to this day.
Humans recognize fire when a volcano eruption in Africa, which occurs when about 4 hundred years ago. marks the first scientific discoveries of human .After the well-being of man's getting better. And the fire was used taking place until now.