A lot of people have dreams about falling, so we are going reveal what these falling dreams are really about! There are two types of falling dreams; the first one is where you are just drifting off to sleep and you think you are still awake and all of a sudden your body jerks and you wake up. This is physiological glitch taking place.
World Systems Theory. The world systems theory, developed by sociologist Immanuel Wallerstein, is an approach to world history and social change that suggests there is a world economic system in which some countries benefit while others are exploited.
Woese is famous for defining the Archaea (a new domain or kingdom of life) in 1977 by phylogenetic taxonomy of 16S ribosomal RNA, a technique pioneered by Woese which revolutionized the discipline of microbiology. He was also the originator of the RNA world hypothesis in 1967, although not by that name.