To get a song out of your head, try doing something like a puzzle or Sudoku.
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Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
The oldest living person smoked cigarettes from the age of 21 to 117.
13
Researchers say that lining the toilet seat with paper is pretty much pointless
8
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
The only king without a moustache in a deck of cards is the king of hearts.
63
People who laugh more are better able to tolerate pain - both physical and emotional.
36
A man earned 4 million airline miles for free without breaking any laws by using his credit card to purchase free-delivery $1 coins from the U.S. mint.
11