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Also known as “ordeal by fire,” Bisha’a is a ritual practiced by some Bedouin tribes for the purpose of lie detection. In cases where no evidence of an alleged transgression exists, the accused is asked to lick a hot metal object, such as a spoon or ladle. His tongue is subsequently inspected by the official who presides over the ceremony. If his tongue is burnt, he is deemed to have been lying. What physiological response might make liars more susceptible to burns during this ritual? Discuss
Source: The Free Dictionary