UP FOR THE COUNT After seeing numbers 1 through 9 for only a fraction of a second (left), Ayumu touches them in order while they are obscured by white squares (right). His ability could stem from synesthesia, a recent proposal suggests. T. Matsuzawa, Primate Research Institute
In what seems like a blow for humanity, a very smart chimpanzee in Japan crushes any human challenger at a number memory game.
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