* It takes about 20 seconds for a red blood cell to travel round the whole body!
* Men can read smaller print than women; women can hear better!
* It is impossible for humans to lick their elbow!
* At birth a panda is smaller than a mouse and weighs about four ounces!
* After billions of years, black holes become white holes and they spit out all the things they sucked up!
Saturday, April 10, 2010
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