With Wi-Fi scares proliferating, Bad Science is still on the case. Two brilliant comments in particular:

There’s just no point arguing with stupidity. If their arguments were not based on evidence and logic then you’re wasting your time. I can’t remember whose quote this is, but it has served me well.“Never try to teach a pig to sing. It’s a waste of your time, and annoys the pig.”

And a good point here:

In contrast to the few smoking studies before 1950 there are a lot of EM studies now. The studies are ignored by the EM scaremongers because they don’t like the results. So EM scaremongers are something like smoking-is-harmless people.