In 1871, horse cars were introduced. It was simply a car that was pulled over a track by a horse.

One of the reasons marijuana is illegal today because cotton growers in the 30s lobbied against hemp farmers -- they saw it as competition. It is not chemically addictive as is nicotine, alcohol, or caffeine.

The human heart creates enough pressure to squirt blood 30 feet (9 m).

A M A Z I N G   F A C T S