We have language and they do not. Chimps communicate by embracing, patting, looking - all these things. And they have lots of sounds. But they cannot sit and discuss. They cannot teach about things that are not present, as far as we know.
AwardsOfficer Of The Legion Of Honour; Dame Commander Of The Order Of The British Empire; Princess Of Asturias Award - Technical And Scientific Research; William Procter Prize For Scientific Achievement; Tyler Prize For Environmental Achievement