In the 1960s she made the first recorded observations of chimpanzees eating meat & making & using tools
Primitive stone tools that were made 2.5 million years ago suggest 
that early... [DOC] [TLE] Common chimpanzee - Wikipedia [PAR] The common chimpanzee (Pan troglodytes), also known as the robust 
chimpanzee, is a ... Nearly all chimpanzee populations have been recorded 
using tools, modifying sticks, rocks, ...