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"Descartes's Arguments for Universal Doubt and the "Cogito" Argument (An Outline of Meditations 1,2) The argument for universal doubt: A. The dream argument: 1. I often have perceptions very much like the ones I usually have in sensation while I am dreaming. 2. There are no definite signs to distinguish dream experience from waking experience. therefore,"

"Keep practicing, and you might become an expert. Or maybe you won't. Who knows? Not the experts, suggests a raging debate. Made famous by Outliers: The Story of Success, by Malcolm Gladwell, the 2008 book's "10,000-hour rule"-the number of  hours of practice needed to acquire mastery of a skill-looks increasingly beleaguered. Underlying arguments over whether winners are made or born, or over nature versus nurture, the disagreement points to deep uncertainty about who should receive expert instruction and how best to teach people to excel. "No one disputes that practice is important," says psychologist David Zachary Hambrick of Michigan State University in East Lansing. "Through practice, people get better. The question is whether that is all there is to it.""

"This month, the Guardian launched a campaign in conjunction with Change.org (the petition is here) to end "female genital mutilation" (FGM) in the UK-see Dominic Wilkinson's recent analysis on this blog. I support this campaign and I believe that FGM is impermissible. Indeed, I think that all children, whether male, female, or intersex, should be protected from having parts of their genitals removed unless there is a pressing medical indication; I think this is so regardless of the cultural or religious affiliations of the child's parents; and I have given some arguments for this view here, here, here, here, and here. But note that some commentators are loath to accept so broadly applied an ethical principle: to discuss FGM in the same breath as male circumcision, they think, is to "trivialize" the former and to cause all manner of moral confusion."

"On July 29, Mr. Christie's lawyer will argue in Hawaii federal court that his client should be allowed to present a religious-freedom defense at the eventual criminal trial. He will base his argument on the Religious Freedom Restoration Act, passed by Congress in 1993, which requires the government to show a "compelling interest" whenever it "substantially burdens" a religious practice. In 2006, the Supreme Court relied on the act to permit a New Mexico church to use the hallucinogen hoasca, or ayahuasca, for sacramental purposes."

"In their book "Scorecasting", Toby Mascowitz, an economist, and Jon Wertheim, a journalist, make the provocative argument that home-field advantage, regardless of the sport in question, is caused entirely by biased referees. Umpires in baseball are more likely to call a strike on a close pitch if the visitors are batting. Football referees grant more extra time when the home team is trailing than when it is ahead."

"A logical fallacy is a flaw in reasoning. Logical fallacies are like tricks or illusions of thought, and they're often very sneakily used by politicians and the media to fool people. Don't be fooled! This website has been designed to help you identify and call out dodgy logic wherever it may raise its ugly, incoherent head."