For a topical guide to this subject, see Outline of natural science. The natural sciences seek to understand how the world and universe around us works. There are five major branches (top left to bottom right): Chemistry, astronomy, earth science, physics, and biology. Natural science is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on observational and empirical evidence. Mechanisms such as peer review and repeatability of findings are used to try to ensure the validity of scientific advances.
The Time of My Life by David Cook. This was was chosen out of 20 songs by online voters in the American Idol Songwriter's Competition. The winning songwriter, Regie Hamm, is an aspiring singer who entered the contest at his wife's suggestion - she's a big American Idol fan.
Who sang the song It's a wonderful life?   Black    I think you may be thinking of What a Wonderful World which was  made popular by Louis Armstrong.he Elvis song 'It's a Wonderful World' was written by Roy C.  Bennett and Sid Tepper.