nuclear bombs

The film's release in Japan, more than eight months after it opened in the U.S., had been watched with trepidation because of the sensitivity of the subject matter.

Seventy years ago this week, in the New Mexico desert, U.S. Army scientists detonated the first atom bomb. NYU physics professor Benjamin Bederson was among those who worked on the Manhattan Project.

Some scientists suggest calling the era we live in the Anthropocene, to denote the time when humans came to dominate Earth's fate. But did it start with farming, the atom bomb or another event?