Longreads

Linda Campbell was not quite 4 years old when her appendix burst, spilling its bacteria-rich contents throughout her abdomen. She was in severe pain, had a high fever, and wouldn’t stop…

By The Editors Read the entire ruling, including opinions by Chief Justice John Roberts, Justice Ruth Bader Ginsburg, and Justice Anthony Kennedy. Here is the Court's ruling. You can read one…

Jerry Seinfeld as Jerry, Jason Alexander as George, Julia Louis-Dreyfus as Elaine and Michael Richards as Kramer in Seinfeld. Photograph: NBCUPHOTOBANK/Rex Features When Jerry Seinfeld tours the UK…

On the morning of 15 March Joy Vincent left Croydon's Gilroy Court Hotel, and then she disappeared. No one knows what happened next: whom she met, where she was taken, whether she even went…

Dunning and Kruger argued in their paper, "When people are incompetent in the strategies they adopt to achieve success and satisfaction, they suffer a dual burden: Not only do they reach erroneous conclusions and make unfortunate choices, but their incompetence robs them of the ability to realize it. Instead, like Mr. Wheeler, they are left with the erroneous impression they are doing just fine." It became known as the Dunning-Kruger Effect — our incompetence masks our ability to recognize our incompetence. But just how prevalent is this effect?