Numerous archaeological findings in 2012 brought a new understanding of human ancestors. For example, ancient artifact in the form of ashes and charred bones. It became the earliest evidence, how humans control the fire.
From these findings, our ancestors may have used fire about 1 million years ago. It's over 300 thousand years earlier than originally expected.
Thus, Homo erectus began to use fire as part of a way of life. Including their efforts to cook meat or other foods. This affects the evolution of the human brain that allows our ancestors brain volume becomes larger.
Another invention such as the weapon for hunting. It turns out that humans use tools much earlier than scientists thought, which is 200 thousand years ago. University of Toronto anthropologist team found evidence that people in South Africa use stone weapons for hunting. The weapon's age was about 500 thousand years.
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| The hunting tools from South Africa artifact. (Picture from: http://www.heritagedaily.com/) |
When it comes to the future of humanity, research this year added to accumulating evidence that natural forces of evolution continue to shape humanity. Church records of nearly 6,000 Finns born between 1760 and 1849 showed that despite humans radically altering their environments with behavior such as farming, human patterns of survival and reproduction were comparable with those of other species.
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| The stone age tools. (Picture from: http://www.sacredearth.com/) |
One researcher at Stanford University has even suggested that humans are getting dumber over time,
having lost the evolutionary pressure to be smart once we started
living in densely populated settlements several millennia ago. However,
other scientists dispute this notion, pointing at geniuses such as
Stephen Hawking, and called diversification has occurred, instead of losing intelligence. *** [EKA | FROM VARIOUS SOURCES | LIVESCIENCE | KORAN TEMPO 4101]
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