In its physical, political, and ethical dimensions, climate change is a mind-boggling challenge — and perhaps more complex than any humanity has faced. With that in mind, the Knight Science Journalism Program and Undark teamed up with the Cambridge Science Festival to try to bring the problem down to size.
Recent lawsuits allege fraudulent payments to a major insurer for a Medicare program that covers millions of seniors. But even legitimate practices could drive up costs by nearly $200 billion within the next 10 years, an expert estimates. Both problems might be solved with a return to an old payment system.