I've just tried the BBC's "senses challenge". I didn't do too well, just 12 out of 20, but then a lot of the questions are ones that our senses are designed to fail.
Still, I always knew there was something very wrong with parmesan.
I've been an internet addict for a while now, with my favourite format being wikis. I work for Wikia as part of the Community Support Team. My "home" wiki is Uncyclopedia