Science on Instagram: "During World War II, the United States dropped atomic bombs on two Japanese cities—Hiroshima and Nagasaki—in August 1945. The first bomb, called “Little Boy,” was dropped on Hiroshima on 6 August 1945, instantly killing around 70,000 people. The second bomb, “Fat Man,” was dropped on Nagasaki on 9 August 1945, causing about 40,000 immediate deaths. These bombs caused massive destruction due to intense heat, blast waves, and radiation. Many survivors suffered long-term effe