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Cigars Instead? Smoking one or two cigars a day doubles the risk of cancers of the lip, tongue, mouth, and throat, according to a government study. Da...

Attitudes to AIDS Now Most people say that the USA is making progress in fighting AIDS, but they don't know there's no cure and strongly disag...

How Animals Keep Warm Man has invented ways to keep warm, but how do animals defend themselves? They cannot reason in the sense that man can, but natu...

Spacing in Animals Flight Distance Any observant person has noticed that a wild animal will allow a man or other potential enemy to approach only up t...

Taxi Riding In a moment of personal crisis, how much help can you expect from a New York taxi driver? I began studying this question after watching th...

Income Income may be national income and personal income. Whereas national income is defined as the total earned income of all the factors of producti...

The National Park Service America’s national parks are like old friends. You may not see them for years at a time, but just knowing they're out th...

Adaptation of Living Things Certain animals and plants develop characteristics that help them cope with their environment better than others of their ...

A Ride in a Cable-car A ride in a cable-car is one of the most exciting and enjoyable experiences a child can have. In Switzerland, which is the home ...

The Barbie DollsIn the mid 1940’s, the young ambitions duo Ruth and Ellison Handler, owned a company that made wooden pictures frames. It was in 1945 ...