A discussion of the panel I moderated at TAM9 this year, titled "The Ethics of Paranormal Investigation." Topics include: Is it acceptable to use deception in the course of unmasking someone else's deception? What do you do when the person claiming paranormal powers is a child? How much do you feel obligated to ensure the confidentiality of the people you're investigating? And do you have any responsibility, as a mentalist or magician, to make sure your audience understands what you're doing isn't real?

Julia gives an example to illustrate the difference between critical thinking and rationality. (Learn more about me at http://juliagalef.com)

This famous puzzle illuminates a deep controversy over what we mean by "probability," and how to reason when observer selection effects are in play.

You know how you can tell that society's attitude towards nerds has changed in the last 20 years? The rise of something I call the "nerd humblebrag."