A chemical weapon release is believed responsible for the deaths thousands of sheep near the massive Dugway Proving Ground, a military installation less than 100 miles from Salt Lake City, Utah.

Back during the Cold War, the military wanted to find out if LSD could be used to incapacitate enemy forces. So they administered the drug to unsuspecting British soldiers, and sent the squaddies off to perform their duties. This short video, which is as hilarious as it is disturbing, chronicles the British…

Japan's Unit 731 is one of the best kept and most horrifying secrets of World War II. Unit 731 experimented on Japanese and Chinese civilians as well as Russian and American POWs during the Second Sino-Japanese War in the 1930s and throughout World War II.