You're gonna have to give me a quote on the first one: I don't have access to it
As for the second:
"Trying to assign exact percentages to the relative contributions of “culture” versus “biology” to the behavior of free-living human individuals in a complex social environment is tough at best. Halpern offers a succinct assessment: 'The role of culture is not zero. The role of biology is not zero.'"
The author admits a degree of error that can be attributed to socio-cultural factors, and not innate biology on the nature of their findings. There's no absolute certainty
Too much ego to admit I'm wrong? I'm responding to everything you're saying in a timely fashion, please stop projecting your insecurities. I can see why you insist that rats are identical to humans if you're basing it off of what you see in the mirror every day