The ability to not only utilize but, at will, to create fire — a source of heat, light and energy that could be applied to a variety of purposes — was perhaps the key development that led humankind to dominate the plant and animal world, and eventually, all of Earth itself. By harnessing and controlling a rapidly releasable form of energy that stemmed from an abundant, accessible, freely available source — plant matter — we became capable of doing something no other living creature had ever done before.

from Forbes – Tech http://ift.tt/1LDnzZz
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