Five Funny Facts
1.The saying 'Mind your P's and Q's' comes from the time when alcoholic beverages were served/sold in Pints and Quarts. Thus, to mind your P's and Q's meant to be careful how much you drank.
2. The term 'toddlers' originated in England. There were impurities in the drinking water that disallowed the water to be used for drinking. A common alternative drink was beer (it was cheep, plentiful and the water used to make it was treated during the initial boiling during brewing). Toddlers, just weaning off of mothers milk were unaccustomed to the effects of beer. This coupled with the fact that they were just learning how to walk really made them toddle.
3.Why is the sky blue?
Transmitted light (from the sun, light bulbs, fire, etc) is made up of a spectrum of colors. The longest wavelengths of light are on the red end of the spectrum and the shortest wavelengths are on the blue/violet end of the spectrum.
When transmitted light such as sunlight enters our atmosphere it collides with the oxygen and nitrogen atoms. The color with the shorter wavelength is scattered more by this collision. Because violet and blue are the shortest wavelengths the sky appears to be violet / blue. But because our eyes are more sensitive to blue light than they are violet light, we perceive the sky as blue.
4. Sex is biochemically no different from eating large quantities of chocolate.
5. Blood is about 78 percent water
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