If you toss a penny 10,000 times, it will not be heads 5,000 times, but more like 4,950. The heads picture weighs more, so it ends up on the bottom.
249
If you put two straws in your mouth, one inside a drink and one outside it, you won't be able to drink through either straw.
202
Months that begin on a Sunday will always have a 'Friday the 13th'.
362
Isaac Asimov is the only author to have a book in every Dewey-decimal category.
90
A surprise inspection of a men’s prison in Acapulco unearthed 100 plasma TVs, 2 sacks of marijuana, 2 peacocks, 100 cockerels… and 25 women.
37
Historically, sweat has been an active ingredient in perfume and love potions.
309
The G in 'g-string' stand for groin.
322