Did you ever wonder why dimes, quarters and half dollars have notches, while pennies and nickels do not?
The US Mint began putting notches on the edges of coins containing gold and silver to discourage holders from shaving off small quantities of the precious metals. Dimes, quarters and half dollars are notched because they used to contain silver. Pennies and nickels aren't notched because the metals they contain are not valuable enough to shave.
Why do men's clothes have buttons on the right while women's clothes have buttons on the left?
When buttons were invented, they were very expensive and worn primarily by the rich. Because wealthy women were dressed by maids, dressmakers put the buttons on the maid's right. Since most people are
