This reminds me of a similar article on Chimps beating humans in memory tests. It was on /. the other day, perhaps it was posted here too? If not, here's the link:
<a href="http://www.guardian.co.uk/science/2007/dec/04/animalbehaviour.evolution" rel="nofollow">http://www.guardian.co.uk/science/2007/dec/04/animalbehaviou...</a>