为什么怕蛇？
Friday, March 7th, 2008
很多人天生就怕蛇或蜘蛛(zhi1 zhu2)，这是什么原因呢？它们并没有给过这些人同年阴影，可是为什么人们就是这么怕它们呢？
“The idea is that throughout evolutionary history, humans that learned quickly to fear snakes would have been at an advantage to survive and reproduce,” said Vanessa LoBue, a post-doctoral fellow in psychology at the University of Virginia. “Humans who detected the presence of snakes very quickly would have been more likely to pass on their genes.”
人们不是天生怕蛇，可以说是学会怕蛇。科学家推测怕蛇的性格导致人类能够继续生存以及繁殖。虽然蛇不是满地爬，不过人类能够把周围的东西当作蛇的影像，进而提高警觉。蛇对人类的进化做出了很大的贡献。或许很多很多年以后，人类一看到枪也能够马上躲避。可能还会进化出躲开子弹的超能力呢。
