Saw this: http://www.motherjones.com/environment/2013/01/lead-crime-link-gasoline Lead emissions from tailpipes rose steadily from the early '40s through the early '70s, nearly quadrupling over ...
Homicide and suicide seem to both be extreme behavior and possibly ways of coping with similar stresses such as rejection, betrayal, loss. They are both types of murder. There had been a lot of ...
Are there any statistics about what proportion of armed attackers are willing to hurt or kill as opposed only using their weapons as a threat? E.g. There were cases when a self-confident victim ...