If you get water flowing fast enough, it can cut metal.
354
The human eye blinks an average of 4,200,000 times a year.
233
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
Oak trees can live 200 or more years.
61
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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