Spontaneous Generation Francesco Redi Fransesco Redi did experiment involving flies and jars containing meat, hoping would prove his theory that flies not come from meat, they come from other flies. His experiment considered some the first real experiment. Ari...

Formation the Earth Big Bang Theory The Big Bang Theory says that one time all matter the universe was concentrated giant mass. Some believe that the giant mass, which could have been black hole, blew apart billion years ago and still expanding. Our Solar Syst...