Humanity undergoes changes, albeit small, with every generation: If a trait is beneficial it will live on, while deleterious ones slowly die off. Here are some superhuman traits that have persevered.

人类经历着变化，尽管微小，却一代接这一代不停止：如果某一特征有益，则将继续存在，而有害的倾向则消亡。

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Bears exhibit predictable behavior. This trait can be beneficial to people if they come into contact with bears.

熊的举止行为大都多可以为人们所预测的。

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While risk-taking can be beneficial in small doses, this character trait can too easily lead someone to treat investing as he or she might treat gambling, with all the potential for gambling that entails.

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