Facts to Know Chewing on gum while cutting onions can help a person stop producing tears. Try it next time you chop onions. Until babies are six months old, they can breathe and swallow at the same time. Offered a new pen to write with, 97% of all people will write their own name. The average person's field of vision encompasses a 200-degree wide angle. To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe. Canadians can send letters with personalized postage stamps showing their own photos on each stamp . Babies' eyes do not produce tears until the baby is approximately six to eight weeks old. It snowed in the Sahara Desert in February of 1979. Plants watered with warm water grow larger and more quickly than plants watered with cold water. regards, ksv