Unit 731: Japan’s Secret Biological Warfare Program That Tortured Thousands in China (1937–1945)

Illustration of Unit 731, Japan's secret biological warfare research facility in China during World War II

Deep in occupied Manchuria, the Imperial Japanese Army built a facility the size of a small city — and filled it with human beings who would never leave. They called their prisoners “maruta” — logs of wood. Over eight years, thousands of men, women, and children were infected with plague, cholera, and anthrax; subjected to … Read more