Bonobos Prefer Jerks (image) Duke University Share Print E-Mail Caption Fizi, an adult male bonobo at Lola ya Bonobo Sanctuary in the Democratic Republic of the Congo. A new study of these African apes hints at how human cooperation came to be. Credit Photo by Christopher Krupenye, Duke University. 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.