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Latest Richard Hughson Stories

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2007-09-05 11:45:00

On Earth, we all know gravity affects everything around us. But did you know gravity also influences what goes on inside our bodies? Every time we stand up, gravity pulls blood into parts of the body that are below the heart. A simple experiment you can do to prove this is to let your hand hang down for a short time then examine the veins in the back of your hand. These veins will get bigger because they are full of blood. But raise your arm above your head, and these veins, emptied of...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.