
Concentrated solar power is not delivering on green energy promises. Behind the hype these futuristic molten-salt power towers are generating only 13 percent of predicted capacity. But their most worrying issues concern problems with thermal energy storage.














Drs. Mozaffarian and Forouhi raise a crucial question in their article, “Dietary guidelines and health—is nutrition science up to the task?”[1] That task, of course, is whether our nutrition recommendations have effectively prevented the major chronic diseases of our time.