This almost falls into my “Useless Knowledge” category, but there is enough good information for me to spare it that designation. While looking up the proper spelling and meaning of “gaffe” I found this entry on Wikipedia on the meaning of “error” instead. Learn the difference between an error in biology, baseball, computer science, statistics and so on. A quick and easy read with some interesting trivial knowledge attached.
[tags]Error, The many meanings of error[/tags]