What's the opposite of an airplane? [more inside]
posted on Jul 12, 2006 - 70 answers

Help me find Excel file of Mensa IQ test? [more inside]
posted on Aug 25, 2005 - 2 answers

Getting into Mensa [more inside]
posted on Aug 21, 2005 - 16 answers

What international tournaments exist that might be thought of as "mental" Olympics? (That is, they contain a range of competitions based on intellect, strategy, problem-solving, mental arithmetic, etc...)
posted on Aug 17, 2004 - 7 answers