Discover Magazine: An area of extraordinarily high temperature stretching more than half way around the globe helped propel this past March into the record books as the fourth warmest since historical record-keeping began in 1880, according to NASAs Goddard Institute for Space Studies. The global average temperature for March was warmer only in 2002, 2010 and 1990. The massive sea of warmth extending from Europe across Russia and into North America is clearly evident in the map above, which shows how temperatures...