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sciencehabit (1205606) 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
APL is a natural extension of assembler language programming;
...and is best for educational purposes. -- A. Perlis