Based on the most massive study of human mating ever undertaken, encompassing more than 10,000 people of all ages from thirty-seven cultures worldwide, The Evolution of Desire is the first book to present a unified theory of human mating behavior.Now in an updated edition with two new chapters by the author, The Evolution of Desire presents the latest research in the field, including starting new discoveries about the evolutionary advantages of infidelity, orgasm, and physical attractiveness.

    It will:• Explain concepts with simple illustrations• While teaching you memory techniques, it will also discuss their application in real life, like memorizing appointments, presentations, names and faces, long answers, spellings, formulae, vocabulary, foreign languages and general information• Give the scientific interpretation of ancient memory-enhancing practices that will be particularly useful for students, teachers, professors, doctors, managers, marketing and other professionals as well as the common manFollowing the unparalleled success of How to Become a Human Calculator, Aditi Singhal and Sudhir Singhal turn their hands to helping you master the right method to input any information using which you can easily memorize anything and, more important, recall it whenever required.

     It's no secret that puzzles are fun to solve. But when Dr. Richard Restak, a respected neuroscientist, discovered new research that proved puzzles could actually help the brain improve itself, he wondered: Could puzzles help arrest mental deterioration? And do different types of puzzles enhance different parts of the brain? As Restak was investigating the benefits of puzzles, Scott Kim, a world-renowned puzzle developer, also became fascinated by the potential for puzzles to keep the brain nimble. Now these two experts at the top of their fields have collaborated on an engaging and informative book that gives readers the chance to work puzzles while learning how to boost their brain. For example, readers will find out: ?How to solve puzzles for maximum brain improvement. ?The benefits of trial and error on your brain. ?The different kinds of memory you use to solve puzzles. ?The pitfalls that interfere with memory and how to avoid them. Kim's puzzles and Restak's illuminating prose combine to make "The Playful Brain" a lively book of popular science that will sharpen anyone's thinking and memory skills.