It is impossible to hum if your nose is plugged.
366
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
Music is as addictive to the brain as sex and drugs.
27
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
If left alone, 70% of birthmarks gradually fade away.
193
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
Cash machines are as dirty as public toilets.
175