How dumb are blondes?

And BEFORE you start in on me, you'd better know that, (a) I'm almost blonde myself -you figure out whether I mean that literally or figuratively, (b) I'm not the one who did the research, (c) it's all in fun and scientifically based.

Apparently according to these researchers telling a blonde a joke actually makes her DUMBER. Don't jump on me, click and read the article.