Matt Dillahunty is the Presedent of the Atheist Community of Austin and Rotating host of the Atheist Experience tv show. He also contributes to the Non-Prophets podcast and the Atheist Experience blog.
Matt has an amazing knowledge of the bible and is a great advocate for atheism. This video is of his talk at the February ACA lecture series. Through demonstrating some mentalist tricks, Matt explains how people can be psychologically manipulated.
The mathematics of how sperm swim
41 minutes ago