Frans de Waal, primatologist who argued that apes also have culture, shame and gender roles – obituary aol.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aol.co.uk Daily Mail and Mail on Sunday newspapers.
As with people, some chimpanzees are smarter than others, and as with people, a lot of that variation in intelligence depends on the genes that individuals carry and pass on from one generation to the next. A new study found no effect of either sex or rearing history on the cognitive skills of chimpanzees.
Biji, oldest Zoo Atlanta orangutan and resident since 1988, dies ajc.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ajc.com Daily Mail and Mail on Sunday newspapers.