Old boys鈥� network: Do centenarians tend to be the children of older parents? From newspaper reports I have noticed centenarians are often the youngest child of a family.
How about gnat? How is it possible for gnats to fly in heavy rain without being knocked out of the air by raindrops?
Ringing home: What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect?
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Handy problem: I am right-handed when I write, comb my hair and suchlike. But my left hand is dominant when I play any type of sport. What is happening? I have no recollection of being forced by teachers to write with my right hand while I was at school.