Laws have reduced ground-level ozone since the 1970s, but scientists warn that rising temperatures will fuel more of the gas and stall pollution reduction.
Are some views unfit to be aired at medical school? Tensions over critical social issues spur heated objections but also open room for thoughtful discussion.
Taking a page from airlines, hospitals are recording surgeries to reduce errors. Here’s why one expert says black boxes are key to improving patient safety.
Why is abortion in America so polarized? How did we get where we are today, and what lies ahead? Leading legal expert and historian Mary Ziegler, JD, weighs in.
