It took approximately 2.5 million blocks to build the Pyramid of Giza, which is one of the Great Pyramids. See more

Thomas Edison designed a helicopter that would work with gunpowder. It ended up blowing up and also blew up his factory. See more

McDonalds calls frequent buyers of their food heavy users. See more

Americans ate eight million more orders of french fries and almost six million more hamburgers this year compared to last. See more

The Netherlands has built 800 miles of massive dikes and sea walls to hold back the sea. See more

One pair of rats has the potential for 15,000 descendants in a year. See more

A female can produce up to twelve litters of twenty rats a year. See more

Male and female rats may have sex twenty times a day. See more

The rat has been called the world’s most destructive mammal - other than man. See more

Rats destroy an estimated 1/3 of the world’s food supply each year. See more

25% of all fires of unknown origin are rat-caused. See more

26% of all electric cable breaks and 18% of all phone cable disruptions are caused by rats. See more

The USA has more personal computers than the next 7 countries combined. See more

Members of the armed forces and the police cannot vote in the Dominican Republic. See more

US tops the world in plastic surgery procedures. Next comes Mexico. See more

22% of American women aged 20 gave birth while in their teens. In Switzerland and Japan, only 2% did so. See more