QUEST FOR FIRE
Fire has certainly been
known of for almost 800,000 years ago. Lightning strikes were the most commonly
observed event causing fire to result. Mankind’s first use of fire may have
started when someone bravely lifted a burning branch from a tree that had been
struck by lightning. This is generally called the “opportunistic” use of fire;
using it when and where natural forces ignited flammable substances. Fire was
probably used in this way for about 400,000 years before it was brought under
control.
The first deliberately
constructed fireplaces/hearths represent the first proof that fire was under
control. They can be found in South Africa and Israel dating between 200,000
and 125,000 years ago.
So, what effect did the
controlled use of fire have on the evolution of mankind?
The influence of fire on
the PHYSICAL evolution of the human species has been a heated controversy for
years. Some scientists believe that cooked food provided the human body with
more calories and therefore more energy. This allowed a shift of body resources
away from digestion (causing the digestive system to shrink in size) and toward
the brain, increasing its size and human intelligence as well. They also
thought that, because of cooked meat, the human jaw got smaller resulting in
fewer and smaller teeth. Other scientists disagree. While they admit that
cooked food did contribute to a healthier body, the other physical changes
mentioned would have had to occur over a much longer period of time.
There is no controversy
about the effect of the controlled use of fire on CULTURAL evolution
however. Fire was used to provide heat,
cook plants and animals, burn clay
for ceramics, and heat treat stone to make tools. In its portable state, fire
was used to bring light after dark in order to extend the work day, clear
forests for planting, ward off dangerous animals and insects, and to wage war.
The controlled use of fire “ignited” an explosion of things that mankind was
able to do. It allowed early cultures and civilizations to develop.
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