Marbella Pub Facts Number 2

Because of the salt content of the Dead Sea, it is difficult to dive below its surface.

Human thigh bones are stronger than concrete!

Approximately 25,000 workers died during the building of the Panama Canal, and approximately 20,000 of them contracted malaria and yellow fever.

The roads on the island of Guam are made with coral. Guam has no sand. The sand on the beaches is actually ground coral. When concrete is mixed, the coral sand is used instead of importing regular sand from thousands of miles away.

According to the U.S. Department of Agriculture, Americans eat more than 22 pounds of tomatoes every year. More than half this amount is eaten in the form of ketchup and tomato sauce.

The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.

According to U.S. law, a patent may not be granted on a useless invention, on a method of doing business, on mere printed matter, or on a device or machine that will not operate. Even if an invention is novel or new, a patent may not be obtained if the invention would have been obvious to a person having ordinary skill in the same area at the time of the invention.

In 1915, the average annual family income in the United States was $687 a year.

Early in his career, William F. Buckley, Jr. was employed as a Spanish teacher at Yale.

Phone service was established at the White House one year after its invention. President Rutherford B. Hayes was the first to have phone service (1877-81).