Did Cold Weather Cause the Salem Witch Trials? - LiveScience.com
http://www.livescience.com/19820-salem-witch-trials.htmlThe theory, first laid out by the economist Emily Oster in her senior thesis at Harvard University eight years ago, holds that the most active era of witchcraft trials in Europe coincided with a 400- year period of lower-than-average temperature known ...
Submitted in section: Paranormal news 2012: Did Cold Weather Cause the Salem Witch Trials? - LiveScience.com