sciencehabit writes: The appendix may not be useless after all. The worm-shaped structure found near the junction of the small and large intestines evolved 32 times among mammals, according to a new study. The finding adds weight to the idea that the appendix helps protect our beneficial gut bacteria when a serious infection strikes. Link to Original Source
Thus spake the master programmer:
"When a program is being tested, it is too late to make design changes."
-- Geoffrey James, "The Tao of Programming"