Pete Hegseth Is Sworn In as Defense Secretary After Being Confirmed by Slim Margin Mr. Hegseth has vowed to bring his “warrior” ethos to the Pentagon. His confirmation came down to Vice ...

Harvard researchers explore how the design of health insurance markets in the United States contributes to health inequities. In two recent papers, Professor Christopher Avery investigates the ...

To tackle a backlog in toxicity testing, US federal scientists are modernizing programs with high-throughput assays and AI.