Scientists have taken a major step toward the ambitious global goal of “redefining the second” by the end of this decade. A ...

Shrestha Rath is a doctoral student in the health security track at Johns Hopkins Bloomberg School of Public Health. Her research interests include biosecurity and the governance of emerging ...

The only instances of atomic weapons being used against a civilian population occurred in 1945 at the tail end of World War II. On August 6, 1945, “Little Boy” was detonated above the Japanese city of ...