1 any substance or mixture of compounds that, added to a solution, is capable of neutralizing both acids and bases without appreciably changing the original acidity or alkalinity of the solution.  Also called buffer solution. a solution containing such a substance.
But the origins of witchcraft prosecution can be traced back to Europe centuries prior, when pre-Reformation courts first induced criminals to admit to heresy and witchcraft to exert social control through displays of harsh and often violent punishment.
Marijuana originated in the middle east. A Chinese book of medicine from the 2nd Century B.C., was first to describe it in print. [ Source: http://www.chacha.com/question/where-and-when-did-marijuana-originate ]. More Answers to  Where and when did marijuana originate .