30 Nov '15, 8am

Human betrayal drove rapid spread of our species around the world

Human betrayal drove rapid spread of our species around the world

Prior to about 100,000 years ago, humans didn't travel much. Our population shifted and spread geographically much like how populations shift for any species, which depends on things like environmental events or ecological changes. But then, at some crucial juncture, everything changed. Humans began migrating at breakneck speed, spreading across continents and major environmental barriers, until eventually inhabiting nearly every ecological niche imaginable. So what happened 100,000 years ago that suddenly gave our species such an insatiable sense of wanderlust? New research by Dr. Penny Spikins, an archaeologist at the University of York, offers a rather theatrical explanation. She claims that around this time, humans developed an advanced propensity for betrayal, reports Phys.org . In other words, humans had evolved into exceptional drama queens. Moral disputes motivated...

Full article: http://www.mnn.com/lifestyle/arts-culture/stories/human-b...

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