Sampras is one of only two male players to win the same Grand Slam tournament (Wimbledon) 7 times in the span of 8 years. Sampras (1997–2000) won four consecutive Wimbledon singles titles, second only to Borg and Federer (who have five consecutive titles each).
How many people have ever lived on earth?
Others have estimated the number of human beings who have ever lived to be anywhere from 45 billion to 125 billion, with most estimates falling into the range of 90 to 110 billion humans.
What makes a cat purr?
One hypothesis, backed by electromyographic studies, is that cats produce the purring noise by using the vocal folds and/or the muscles of the larynx to alternately dilate and constrict the glottis rapidly, causing air vibrations during inhalation and exhalation.
Who were the original members of NATO?
At present, NATO has 28 members. In 1949, there were 12 founding members of the Alliance: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom and the United States.
What states can you see from Lookout Mountain?
From the “Rock City” it is said that seven U.S. states can be seen: Tennessee, Kentucky, Virginia, South Carolina, North Carolina, Georgia and Alabama.
Is the ability to roll your tongue genetic?
Family studies clearly demonstrate that tongue rolling is not a simple genetic character, and twin studies demonstrate that it is influenced by both genetics and the environment. Despite this, tongue rolling is probably the most commonly used classroom example of a simple genetic trait in humans.
What is the only crime in the constitution?
Treason is the only crime specifically defined in the Constitution. According to Article III, Section 3, a person is guilty of treason if he or she goes to war against the United States or gives “aid or comfort” to an enemy.
Why is the leek the national symbol of Wales?
The Leek. According to legend, St David advised the Britons on the eve of a battle with the Saxons, to wear leeks in their caps so as to easily distinguish friend from foe. This helped to secure a great victory. Today Welsh people around the world wear leeks on St David’s Day.