The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
30
Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
20
In the 1930's, American track star Jesse Owens used to race against horses and dogs to earn a living.
50
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Approximately 25,000 workers died during the building of the Panama Canal, and approximately 20,000 of them contracted malaria and yellow fever.
14
The average life span of a peasant during the medieval ages was 25 years.
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