I don't know. But the burden of proof lies with the researcher
所有跟贴·加跟贴·新语丝读书论坛
送交者: Enlighten 于 2007-05-03, 12:49:57:
回答: how do you know the difference is not a result of that in genes? 由 eng 于 2007-05-03, 12:44:29:
who says the difference is attributed to genes. And they can't prove it.
所有跟贴:
加跟贴