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
Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
20
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
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
To take an oath, ancient Romans put a hand on their testicles
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