In ancient times, a county order named Zhang Ju used two pigs to solve the case, and the wisdom of the ancients was admirable

Wu Luyue: Zhang Ju zi qing, for the sentence Zhang Ling, there are women who kill their husbands because they burned the house, their brothers are suspicious and sue, they hold up the dead opening without ash, let people take the pig twice, kill a lifetime and burn it, open their mouths, the one who kills without ash has ash, the one who kills has ash, the one who kills is ash, the woman dies first, and the political popular folk song remains.

The meaning is that a county official named Zhang Ju used two pigs to judge a husband-killing case, one of which was killed and then burned in the house, and one was not killed and burned in the other house. There is no ash in the mouth after the killed pig prys open its mouth, and there is ash in the mouth of the raw pig after it is burned. It was then concluded that the wife of the deceased had killed her husband.

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Whether to burn or burn the body needs to be shown with iron evidence. In ancient times, there were no modern developed medical methods, but the ancestors used dialectical techniques to judge cases, which is very remarkable. It is actually a reconnaissance experiment to solve such problems. With modern medical knowledge, it can be scientifically explained: burned to death before death, due to the existence of heartbeat and breathing, the smoke and charcoal flying in the fire field will inevitably enter the respiratory tract with the breath, staying in the pharynx, throat, trachea, bronchi and organs, and even in the esophagus and stomach can also find soot and charcoal; after death, it is burned, because the heartbeat and breathing have stopped, and the soot charcoal in the fire field cannot enter the pharynx, throat, trachea and bronchi with the breath. Therefore, whether to burn or burn the body can be correctly determined once it is dissected. Since this experiment is scientifically based, its results are still effective to this day.

It has to be said that our ancestors were too wise.