Dean-Bailey, who is on our list of this year's most exciting young thinkers, was the youngest Republican woman to be elected to the New Hampshire House of Representatives.
Carleton combines social and physical data with statistical models to assess how issues such as climate change and freshwater scarcity affect poverty and economic growth.
Axelrod, who's on our list of this year's most exciting young thinkers, has a long-term goal of "untangling the immigration bureaucracy from the criminal justice system."
Carol Meteyer solves cases of mysterious wildlife death using advanced forensic skills to help prosecute people who kill animals in violation of federal law.