Cancer is a class of diseases characterized by out-of-control cell growth. There are over 100 different types of cancer, and each is classified by the type of cell that is initially affected.
The hottest recorded temperature ever on earth was in Libya on September 13, 1922, which was 58 Â°C. Libya, Algeria, Death Valley and Iraq have some of the hottest temperatures on earth. During the summer, they have some of the hottest weather in the world. In contrast with these hot countries, the highest recorded temperature ever in the South Pole was on December 27, 1978, which was -14 Â°C.
This Day In History, September 13, 1922: El Azizia, Libya reached a world record-breaking temperature of 136 degrees Fahrenheit. Man, that's hot. Heat may be a welcome sensation to anyone in the northern hemisphere who is dreading the impending autumn. But, there are some places where the temperature gets too extreme to bear. According to the Discovery Channel, though, the notion of the hottest place is difficult to pinpoint.