there is no economic logic to the argument that the citizens of any rich country need to reduce their living standards or government programs because of economic progress in developing countries. Once a developed country has reached a certain level of productivity, there is no economic reason for its residents to take a pay or benefit cut, or work more hours, because other countries are catching up to their level. That productivity, which is based on the country's collective knowledge, skills, capital stock, and organization of the economy, is still there, and in fact it increases every year. To the extent that international competition is being used by special interests to push down the living standards of French or German or U.S. workers – and it is – it just means that the rules for international commerce are being written by the wrong people. It is a problem of limited democracy and lack of representation for the majority, not a problem that is inherent to economic progress.

'Regularly spaced structures, from vertebrae and hair follicles to the stripes on a tiger or zebrafish, are a fundamental motif in biology. There are several theories about how patterns in nature are formed, but until now there was only circumstantial evidence for Turing's mechanism. Our study provides the first experimental identification of an activator-inhibitor system at work