The construction of the Panama Canal was of great benefit to the infrastructure and economy. Of particular note are the improvements in health and sanitation brought about by the American presence in the Canal Zone. Dr. William Gorgas, the chief sanitary officer for the canal construction, had a particularly large impact. He hypothesized that diseases were spread by the abundance of mosquitos native to the area, and ordered the fumigation of homes and the cleansing of water. This led to yellow fever being eradicated by November 1905, as well malaria rates falling dramatically. However, most of the laborers for the construction of the canal were brought in from the Caribbean, which created unprecedented racial and social tensions in the city.
The definite origin of the name Panama is unknown. There are several theories. One states that the country was named after a commonly found species of tree (Sterculia apetala, the Panama tree). Another states that the first settlers arrived in Panama in August, when butterflies are abundant, and that the name means "many butterflies" in one or several of indigenous Amerindian languages that were spoken in the territory prior to Spanish colonization. The most scientifically corroborated theory by Panamanian linguists, states that the word is a hispanicization of Kuna language word "bannaba" which means "distant" or "far away".
The Irish Times newspaper handled the Irish component of the leak. Prominent Irish names listed included golfer Pádraig Harrington, property developer Sean Mulryan and the manager of Irish rock group U2, Paul McGuinness. The lists also included Stanley Watson, a senior partner of Ireland's largest tax-law firm, Matheson, who have led the creation of many of the Irish corporate tax management tools used by US multinationals in Ireland to avoid billions in US taxes. The list also included Irish Fine Gael political advisor, Frank Flannery.
The rainy season usually starts off in mid-May. At that point sporadic rain showers begin during the afternoon and evening hours. As the days pass the rain increases in duration, amounts, and evenings are full of wonderful thunderstorms and beautiful lightening. In the mountain areas flash flooding can suddenly occur during these months. During the rainy season day time temperatures are about 10 to 15 degrees cooler than the dry season but the humidity is much higher. The rainiest month is November but by mid-December the rain is completely gone in most of Panama on the Pacific side.