Why Screws Tighten Clockwise

One of the six simple machines, a screw is nothing more than an inclined plane wrapped around a center pole. While today screws come in standard sizes, and typically are tightened by turning clockwise (and loosened by turning counterclockwise), this is a recent invention. A great example of how things that seem simple…

The US Once Poisoned Alcohol Supplies to Scare People Away From Drinking

Today I found out that in an effort to scare people away from drinking alcohol, the American government once poisoned certain alcohol supplies; this resulted in the death of over 10,000 American Citizens.