The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Manhattan Project

Manhattan Project scientists to President Harry S. Truman: Don’t use atomic weapons in World War II

By

Albert Einstein, Leó Szilárd and the letter that led to Manhattan Project

By

No, we don’t need a “Manhattan Project” to fight the coronavirus pandemic

By Dawn Stover | Biosecurity, Columnists, Opinion

Terror as normality

By Joseph Masco | Nuclear Weapons

Nuclear scientists as assassination targets

By William Tobey | Uncategorized

Watch the 2025 Doomsday Clock announcement on January 28