The Little Book of Scientific Principles, Theories, & Things explains 175 laws, principles, equations, theories and things that form the foundations of science. It features all the great names in science, including Pythagoras, Galileo, Newton, Darwin, and Einstein, as well as more recent contributors such as Rachel Carson, James Lovelock, and Stephen Hawking. This little book presents serious science simply, answering questions like: What is Pythagorean Theorem? What is the difference between circadian rhythms and the popular concept of biorhythms? What is Hawking’s Black Hole Theory? Who developed the World Wide Web?