from the comment: http://www.boingboing.net/2010/02/01/the-secrets-of-octop.html#comment-702129 http://www.boingboing.net/2010/02/01/the-secrets-of-octop.ht...

from the comment: http://www.boingboing.net/2010/02/01/the-secrets-of-octop.html#comment-702129 http://www.boingboing.net/2010/02/01/the-secrets-of-octop.ht... "Turns out, on a scale of one to chimpanzee, octopuses are probably somewhere close to matching wits with a dog" Interesting numbering system -- is one the only digit?