In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
56
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
The site where the Parthenon was built had to be cleared of hundreds of dinosaur bones (then called giants' bones) before construction could begin.
13
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
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
There's no evidence that pirates made people walk the plank.
151