BBC:
A major study suggests that killing among chimpanzees results from normal competition, not human interference.
Apart from humans, chimpanzees are the only primates known to gang up on their neighbours with lethal results - but primatologists have long disagreed about the underlying reasons.
One proposal was that human activity, including destroying habitats and providing food, increased aggression.
But the new findings, published in Nature, suggest this is not the case.
Instead, murder rates in different chimp communities simply reflect the numerical make-up of the local population.
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So are islamists! Are we saying islamists and chimps are related?
Unfortunately, we are all related. It shows the despicable nature of human beings also.
If the chimps could only read Ghor'an and behead people!
That's funnt Faramarz. We don't want to corrupt the chimps' minds with that mumbo jumbo though...