Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
A couple from Bristol who had trouble selling their house, found out they had an original Banksy on their wall, and received twice the asking price by selling the painting with a house attached.
7
Standard paper cannot be folded in half more than 7 times.
232
A dairy cow can produce more milk when listening to music.
446
Water is actually naturally blue.
48
Your thumb is about the same size as your nose.
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