Are you human?

The California Polytechnic State University’s College of Liberal Arts uses dogs and cats instead of warped letters and numbers to answer this question. Oh, and the images come from the adoption service Petfinder.com – smart and animal-friendly!

http://chronicle.com/wiredcampus/article/2043/kittens-yes-kittens-take-on-web-hackers

Thank you, Cal Poly!