| Incan brides had to peel a potato to prove they would be a good wife. |
| The expression "Tying the Knot" comes from an old Roman custom where the brides clothes were tied up all in knots and the groom was supposed to untie the knots. |
| Over 2500 left-handed people are killed each year from using products made for the right-handed. |
| It's been proven that people can lessen reactions to allergies by laughing. |
| Male human brains are about 10 percent heavier than female brains |
| If you are afraid you might die laughing, you are suffering from cherophobia |
| Male mosquitoes are vegetarians. Only females bite |
| In 1875 the director of the US patent office resigned. He said that there was nothing left to invent |
| Something that is funny, or is able to or inclined to incite laughter, is "risible." |
| Something that is funny, or is able to or inclined to incite laughter, is "risible." |