By DAILY MAIL REPORTER Grieving process: A chimpanzee mother tenderly lays her dead 16-month-old infant on the ground after carrying the body for more than 24 hours. Scientists filmed this heartbreaking footage in Chimfunshi, ZambiaChimpanzees appear to mourn their dead infants just like humans, scientists have discovered.Chimpanzee mothers establish close physical relationships with their young, carrying them for up to two years and nursing them until they are six.But now scientists have filmed how one chimpanzee mother, whose 16-month-old infant died, apparently begins the grieving process. It’s the latest evidence highlighting just how similar...