Global Warming Bombshell: A prime piece of evidence linking human activity to climate change turns out to be an artifact of poor mathematics. by Richard Muller (prof physics - University of California, Berkeley) Progress in science is sometimes made by great discoveries. But science also advances when we learn that something we believed to be true isn’t. When solving a jigsaw puzzle, the solution can sometimes be stymied by the fact that a wrong piece has been wedged in a key place. In the scientific and political debate over global warming, the latest wrong piece may be the “hockey stick,” the...