Explore 25 human experiments too disturbing to ignore. From Tuskegee to Nazi camps, discover the shocking medical atrocities ...

As a science watcher, I never gave much mind to evil. Evolutionary biology isn’t about good and evil, just survival and reproduction. So it was a surprise to me when an evolutionary explanation for ...

Psychologist Delroy Paulhus studies the nature of evil. Through careful experimentation designed to separate the psychopaths and others among us who have objectively quantifiable evil personality ...