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.
July Was Hottest Month Ever Recorded; 2015 Still on Pace as Warmest Year. July 2015 was the warmest month on record for the earth dating back to January 1880, according to the state of the climate report released by the National Oceanic Atmospheric Administration (NOAA) on Thursday.