The good folks at Regret the Error have put out their Year of Errors and Corrections (they also have a fun book which I should have plugged long ago). Some examples:
Slate:
In the May 25 “Explainer,” Michelle Tsai asserted that an eight ball is about 10 lines of cocaine. While the size of a line depends on personal preference, most users would divide an eight ball into more than 25 lines.
Best Recipe Error
The Observer (UK):
We should clarify that the stir-fried morning glory recipe featured in Observer Food Monthly last week uses an edible morning glory Ipomoea aquatica, found in south east Asia and also known as water spinach. This should not to be confused with the UK Ipomoea, also known as morning glory, which is poisonous.