A United States quarter-dollar coin, minted in 1964 or later, weighs 5.670 grams, or 0.200 ounces. The weight of the quarter has varied somewhat since the date of its first issuing, in...
Sibling Rivalry â  Sibling Abuse: Parents Beware! Sibling abuse can be more damaging than you might think... Sibling rivalry is considered a normal and routine part of family life these days. Bickering, teasing and fighting among siblings can be seen everywhere from school bus stops to our television sets.
It seems to be the accepted norm that siblings will fight and torment each other. But researchers say sibling bullying should be treated as seriously as bullying from a peer. In fact, being picked on by a brother or sister can be harmful to a childâs mental health, found a study published online today in Pediatrics.