interesting article
We share our lives on this incredible planet with many other creatures, each of which has its own special trait or survival skill, a characteristic attribute by which it can be defined. Our special trick gives us the impression that we are in some way elevated above other animals, but of course we are not; it is important to remember that we are mammals, upright walking creatures, descended from an ancient line of apes believed to have originated in Africa. With a free thumb, we have the ability to fashion tools easily. It is believed that we have been making tools for more than 2.5 million years. Yet that does not define us. Other animals can make tools, too: sea otters use stones to break open oyster shells, and other primates even fashion weaponry for hunting.
What I believe defines us as human is our mastery of fire. Before we assume that we are the only users of fire in nature, we should think again. Just last year I watched hawks in Australia pick up burning sticks from a bushfire and drop them to spread the fire, flushing out or scorching potential prey. But no other creature has been found who can make fire at will.
In the world of archaeology, the earliest sign of human control of fire is a hotly debated topic, with few definite remains surviving from such antiquity. However, evidence appears to show fire hearths dating from one million years ago. It is reasonable to assume that fire was originally obtained from natural sources such as bushfires, which could then be kept burning.
Even today, there are peoples such as the Bayaka pygmies of the Congo Basin who carry fire with them, hardly ever needing to kindle a flame because, as they told me, “We don’t let our fire go out – it is the oldest fire in the world.” I have also worked with Australian Aboriginals who historically could not make fire and who would have to send runners to bring back fire from distant neighbouring tribes if their fire was allowed to go out.
Fire altered humankind’s potential forever. Now, we wielded a tool powerful enough to keep even the most ferocious early Palaeolithic predators at bay; the fear of nocturnal dangers was dispelled; and the fire became a focus for life, around which our forebears could gather in good cheer. (That sight is still played out nightly in the villages of the San Bushmen of the Kalahari.)
In the flames and coals of their fires, our ancestors learned to alter their food, to improve its flavour, to neutralise plant toxins and destroy harmful bacteria. Consequently our dietary range grew and diversified. It has been argued that our “fire-improved” diet may well have been a catalyst for the development of our large brain.
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