Speak like an insider! Welcome to Snopes-tionary, where we'll define a term or piece of fact-checking lingo that we use on the Snopes team. Have a term you want us to explain? Let us know. Also known ...

What is the Ad Hominem Fallacy? The ad hominem fallacy occurs when someone attacks the person making an argument rather than the argument itself. This fallacy diverts attention from the actual issue ...

To persuade you, people often try to use logical fallacies (Credit: Javier Hirschfeld) When people are trying to persuade you, they sometimes reach for underhand tricks like the 'appeal to ignorance' ...

Recently I've been deep-diving into a model of brain, mind, and behavior—active inference and the free energy principle—developed by a leading neuroscientist and computational psychiatrist Karl ...