Q: "I was trying various methods to implement a program that gives the digits of pi sequentially. So, while writing the program I got stuck on a problem, as with all algorithms: How do I know that the n digits that I've calculated are accurate?" [more inside]
posted by SpacemanStix on Jan 13, 2013 - 75 comments

The Prime Game is not really much of a game, but it is a neat & little-known fact about the decimal representation of prime numbers.
posted by Wolfdog on Jul 10, 2007 - 24 comments

Look at your hands. Is your index finger shorter or longer than your ring finger? Be careful because according to John T. Manning, those two fingers reveal a variety of characteristics about yourself to the world including assertiveness, attractiveness, reproductive success, hand preference, verbal fluency, autism, depression, health and disease, homosexuality tendancies, musical and sports aptitudes. [via Tigerbunny]
And while you are at it don't forget what the middle finger and a long second toe might reveal.
posted by oh posey on Oct 11, 2002 - 37 comments

Something just a bit different in a kidnapping: the victim suffers from polydactyly. If someone you know has suddenly come up with a newborn baby with one extra finger on each hand, let the FBI know. (No joke.)
posted by Steven Den Beste on Nov 23, 2000 - 7 comments