It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation.

Though an adult chimpanzee is significantly smaller than an adult gorilla, it has a penis about double that of the gorilla. An adult gorilla's penis is about 1.5 inches (4 cm) in length.

Bill Gates house was partially designed using a Macintosh computer. new.

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