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Harrison Ford

actorBorn: 7/13/1942Birthplace: Chicago By several measures the most successful actor of his generation, Ford has turned his quiet Everyman persona into invincible Hollywood gold, appearing in many…

Samuel Elmer Imes

chemist, physicistBorn: 10/12/1883Birthplace: Memphis, Tenn. In 1918, Samuel Elmer Imes became only the second African American to earn a doctorate in physics. His dissertation broke new scientific…

DK Science: Circuits

ELECTRICITY IN THE HOMEPROTECTING CIRCUITSBATTERIESRESISTANCEFIND OUT MOREAn electrical circuit provides pathways along which current can flow to do work. Current is driven by a power source,…

2006 Olympics: Speed Skating

MenWomen The long track oval measures 400 meters (1,312 feet). Distance laps: 500m (11/4 laps); 1,000m (21/2 laps); 1,500m (33/4 laps); 3,000m (71/2 laps); 5,000m (121/2 laps); 10,000m (25 laps).…

Babe Didrikson Zaharias

Born: June 26, 1911All-around athlete who was chosen AP Female Athlete of Year 6 times from 1932-54 won 2 gold medals (javelin and 80-meter hurdles) and a silver (high jump) at 1932 Olympics;…

Orson Welles

director, writer, actor, producerBorn: 5/6/1915Birthplace: Kenosha, Wisconsin Academy Award-winning film and stage director, actor, writer and producer who redefined film language with his…

Most Active Volcano

The Question: Which U.S. state has the largest active volcano? The Answer: Hawaii's Mauna Loa is not only the largest active volcano in the country, but the…

We'll bail you out

The Question: At what length does a boat become a ship? The Answer: The determining factors that distinguish boats from ships has evolved over time…

World's Largest Desert

The Question: What is the largest desert in the world? The Answer: The largest (nonpolar) desert in the world is the Sahara, in north Africa, which…

Reaction to Sept. 2001 Tragedy

Reaction to Terrorist Attack of Sept. 11, 2001   U.S. Leaders and Officials George W. Bush President of the United States "Terrorist attacks can shake the foundations of our…