Bonobos for years have had the reputation of being the cool hippies of the simian world, with a

WASHINGTON, March 13 : Bonobos for years have had the reputation of being the cool hippies of the simian world, with a "make love, not war" ethos, in contrast to their belligerent cousins, the chimpanzees. But is this reputation valid? A new study suggests it is not.Researchers tabulated aggressive behavior s