The face of a penny can hold about thirty drops of water.
85
In many countries, urine was used as a detergent for washing.
17
It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
174
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
The average person eats almost 1500 pounds of food a year.
157
