I have always had a large head. The rest of my body is normal-sized but I always takes the largest size hats. I guess I am looking for some perspective now that I am a bit older on how unusual it is, what are the causes, who else has a large head and how they deal with it. [more inside]
posted by zaebiz on Mar 2, 2009 - 42 answers

I've been feeling slow lately. How can I sharpen my mental powers? [more inside]
posted by decoherence on Jul 30, 2008 - 19 answers

This research claims that there aren't any blind schizophrenics. Basically, it says that blindness could protect against schizophrenia, but because of typically later age of onset for blindness (mostly results of glaucoma and macular degenration), I wonder if schizophrenia could somehow protect against blindness. Does anyone have an opinion on this? [more inside]
posted by srs on Nov 3, 2006 - 15 answers

Assume you had a list of different animal species, and you wanted to order it from most intelligent species to least. (1) What measure of intelligence would you use to compare different species--average number of neurons, for example, or ability to solve certain kinds of tests? Or something else entirely? (2) Can you give some examples of how some common farm, food, or pet animals might rank on the list? [more inside]
posted by yankeefog on Jan 25, 2006 - 17 answers