| A fireplace is called a ‘mantelpiece’ because, at one time, people hung their coats (or ‘mantles’) over the fireplace to dry them. |
| If you get into the bottom of a well or a tall chimney and look up, you can see stars, even in the middle of the day. |
| The military salute is a motion that evolved from medieval times, when knights in armor raised their visors to reveal their identity. |
| The owl is the only bird to drop its upper eyelid to wink. All other birds raise their lower eyelids |
| When a person dies, hearing is the last sense to go. The first sense lost is sight |
| Men’s shirts have the buttons on the right side, but women’s shirts have the buttons on the left |
| 97% of the earth's water is undrinkable |
| The Chinese first invented the system of zoos, and called them Parks of Intelligence |
| Shoe sizes were standardized in Britain in 1885 |
| Humans, Ants and Chimpanzees are the only organisms that wage organized warfare |