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Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.
To understand behavior, we must look at its purpose in the context of survival and adaptation.
In times of crisis, true leaders emerge by staying calm, focused and decisive.
自由是在法律允许范围内做任何事的权利。
想想看,人类愚蠢到会去小心地避免那些可能使他们造成伤害的臭鼬或是狐狸,却不担心狮子对他们安全造成的威胁。