5-year-old chimp beats college kids in computer game
Think you're smarter than a fifth-grader? How about a 5-year-old chimp? Japanese researchers pitted young chimps against human adults in tests of short-term memory, and overall, the chimps won.
http://www.cnn.com/2007/TECH/science/12/03/chimp.memory.ap/index.html#cnnSTCOther2