An enzyme is a catalyst that helps to speed up the rate of a reaction by lowering the activation energy of a reaction. There are many enzymes in the human body, without which lots of important reactions would never take place. Cellular respiration is one example of a reaction that is catalysed by enzymes.
Sullivan Act Tim Sullivan, a major Irish criminal passed the Sullivan Act in 1911 to help his constituents rob strangers or to help them against Italian incomers. That is the crux of story that goes with a very early gun control law.
In 2006, Sullivan's Island made waves and national headlines when it became the first municipality in South Carolina to ban smoking in all public places, and today, the island is a collection of vacation rental homes and small businesses that cater to their seasonal vacationing or day-tripping clientele.