More than half of college students now rely on federal grants and loans, according to a new report from the U.S. Department of Education. But even as more federal grants are going to low-income students, colleges are giving more aid to students who are better off.

In case you haven’t noticed, the Affordable Care Act has already started to shake the health care industry in profound ways. One example is that as hospitals face millions in penalties for readmissions, executives are zeroing in on some of their sickest and most expensive patients. It’s important enough that researchers across the country are trying to understand why some people with chronic diseases keep coming back to the hospital again and again, and why others don’t.