June 5, 2007 -- Even in the arms of his surrogate mother, Yolo looks afraid. The 3-year-old bonobo (a type of chimpanzee) has been through a lot. Yolo is a bushmeat orphan; hunters killed his mother ...

Apes orphaned by the illegal trade in bushmeat and pets can overcome trauma and develop social abilities like those of their mother-reared peers. A new study led by Durham University, UK, looked at ...