Yale University psychology Professor Paul Bloom is a world renowned expert in how children and adults understand the physical and social world, particularly in relation to morality, religion, fiction, and art.
An award-winning researcher and teacher, Professor Bloom's work has been published in numerous scientific journals such as Nature and Science and he is the author of several books, including How Children Learn the Meanings of Words, Descartes' Baby, and How Pleasure Works.
Professor Bloom's excellent introduction to psychology course is available online to the public free of charge. See following link.
http://bit.ly/PsychYale