Humans help train various dog breeds to enter in competitions such as breed shows, agility and obedience contests, racing and sled pulling.

French astronomer Adrien Auzout had once considered building a telescope that was 1,000 feet long in the 1600s. He thought the magnification would be so great, he would see animals on the moon.

The highest mountain in the Western Hemisphere is Mount Aconcagua in Argentina. It rises 22,834 feet above sea level.

AMAZING FACTS