The Great Lakes are the most important inland waterway in North America. All the lakes, except Lake Michigan, which lies entirely in the United States, are shared by the United States and Canada and form part of the border...Read More

The underwater mating song of the toadfish is so loud that sometimes it can be heard by humans on the shore.

English is taught in Russian schools beginning in third or fourth grade, so most citizens speak at least some English. Interestingly, Russia has more teachers of the English language than the U.S.A. has students of Russian.

At any given time, there are 1,800 thunderstorms in progress over the Earth's atmosphere. Lightning strikes the Earth 100 times every second.

The first tank became operational when Captain H. W. Mortimore of the Royal Navy took a Mark I into action at Delville Wood during the Battle of the Somme on September 15, 1916. The first successful use of massed tanks in ...Read More

The U.S. county that occupies the smallest area is New York County – Manhattan. Despite its small area, Manhattan is considered one of the world's foremost commercial, financial, and cultural centers. It is renowned for ...Read More