Deceptive Chimp Hides Ammo, Blasts Unsuspecting Zoo Visitors - (Santino just 1 second before the throw.) A chimp that creates hiding places for rocks he throws at zoo visitors reveals for the first time that humanity's closest living relatives can plan to deceive, researchers say. These findings could shed light on the evolution of higher mental functions such as planning, investigators added. The chimpanzee known as Santino is the dominant male of his group at Furuvik Zoo in Sweden. Intriguingly, past research showed the ape calmly gathered stones from his enclosure's moat and pieces of concrete he pulled off an...