You do not need some natural gift beyond that of a normal human brain to do it.

作数学题并不需要什么天赋的超出正常人的大脑。

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For this study, Sadee and his colleagues analyzed 68 autopsy samples of normal human brain tissue.

在此研究中，Sadee和他的同事对68个正常人脑组织进行了解剖和分析。

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Methods Telomerase activity was examined in 37 brain tumor tissues and 4 normal human brain tissues by telomeric repeat amplification protocol (TRAP) assay and silver staining.

方法采用TRAP -银染法检测了37例脑肿瘤组织和4例正常脑组织中的端粒酶活性。

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There are two of me in each normal human brain, and we are both shaped like an almond, after which we are named.

FORBES: I Am America's Amygdala

Psychologists and criminologists would later speculate that West was a sociopath - unable to feel normal human feelings or empathise with his victims, possibly due to a brain injury he had suffered in a motorbike accident.

BBC: The chilling voice of Fred West