The University of Chicago is unlike most other US. universities in that it has emphasized graduate student programs so much as undergraduate programs ever since it opened.

The mass production of paper bags cut costs so much that a bag soon became a routine part of near every purchase.

A person must be at least thirty years age in order to serve as a US. senator.

No other state receives as few rainfall as the state of Nevada.

Because of refraction, the water in a tank ever looks as deep as it actually is.

Molds grow on bread, fruit, paper and much other substances.

The lei, which is made of flowers, shells, and other materials, is presented to visitors as a symbolize of Hawaiian hospitality.

Today oysters are grown and harvested much like any another crop.

Walter Hunt invented an enormous amount of devices, including the safety pin and a machine for making nails.

Connecticut, like the other New England states, are dotted with many little lakes.

The soonest parachutes were made of canvas, but later, silk and then nylon were used.

The botanists Katherine Hunter and Emily Fose spent many difficult months making research in the Rocky Mountains.

Early explorers in Utah named the cliffs they encountered "reefs" because they thought these cliffs looked alike coral formations.

One should never throw water on an alive electrical fire.

When vigorous exercise, muscles require a much greater amount of oxygen than when they are at rest.