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Sports Records

The oldest, the tallest, the fastest, and the longest by Mike Morrison and Chris Frantz Have you ever wondered who threw the fastest pitch in Major League Baseball history? Or who is the…

Anatomy and
Physiology: The Four Chambers

The Four ChambersAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat So why do you need four chambers if three worked just fine for…

Geometry: Three Famous Triangles

Three Famous TrianglesGeometryOpening Doors with Similar TrianglesThe Pythagorean TheoremParallel Segments and Segment ProportionsThree Famous Triangles Now that you have developed the skills…

Consecutive World Series Sweeps

The Question: What was the first team to win the World Series 4-games-to-0 in consecutive years? The Answer: The New York Yankees were the…

Fortune Cookie History

The Question: When were fortune cookies invented? The Answer: The one point on which there is widespread agreement is that fortune cookies were…

Number of U.S. Public Schools

The Question: What is the total number of public schools in the 50 states? The Answer: According to the National Center for Education Statistics, there…

Smallest flower

The Question: What's the world's smallest flower? The Answer: The smallest known flowering plants are in the genus Wolffia, which float…