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.
The director and the COO of ARPA-H explain how it will assess markets, streamline research, and build public-private networks to fuel biomedical breakthroughs.
In an age of widespread misinformation, the medical profession is navigating the line between doctors’ First Amendment rights and unacceptably dangerous advice.
The number of applicants declines but enrollment rises, and some ethnic groups expand their presence, new data show. Larger demographic trends might be at work.
