Bonobo (image) Duke University Share Print E-Mail Caption Close primate cousins with whom we share 99 percent of our DNA, bonobos will help strangers even when there is no immediate payback, and without having to be asked first. Credit Photo courtesy of Lola ya Bonobo Sanctuary. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.