Kanzi the bonobo continues to impress. Not content with learning sign language or making up "words" for things like banana or juice, he now seems capable of making stone tools on a par with the efforts of early humans.
MORE: http://www.newscientist.com/article/dn22197-bonobo-genius-makes-stone-tools-like-early-humans-did.html
See also...
More Sophisticated Wiring, Not Just Bigger Brain, Helped Humans Evolve Beyond Chimps, Geneticists Find
http://www.sciencedaily.com/releases/2012/08/120822124708.htm
Human-Chimp Genetic Differences: New Insights Into Why Humans Are More Susceptible to Cancer and Other Diseases
http://www.sciencedaily.com/releases/2012/08/120823142735.htm
