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哈欠为什么有传染性?为什么你不能自己挠痒自己?为什么我们不可以像一些动物那样用屁股说话?既然是自己的身体,你可能会认为你能控制得了它。然而,在你平静的身体外表下,潜藏着任性的本能和冲动,它们争相逃离,让你处于尴尬境地。这些被认为不雅的行为——打屁、打嗝、抓痒和打哈欠,等等,你我都不陌生。尽管自古以来这些行为一直令人很好奇,但科学界却在很大程度上忽略了它们——研究这些不齿的行为,似乎有损科学的尊严。不过,这些方面的研究现在终于有了一些进展。
Why yawn contagious? Why can not you tickle yourself? Why can not we speak like a buttocks like some animals? Since it is your own body, you may think you can control it. However, under your calm body, there are hidden instincts and impulses hurried to flee, leaving you in an awkward position. These are considered indecent acts - ass, burping, scratching and yawning, and so on, you and I are no strangers. Although these acts have been curious since ancient times, the scientific community has largely ignored them - studying these meek acts seems to undermine the dignity of science. However, some progress has finally been made in these aspects of research.