The story that will lead you to a secret area, but we can't reveal anything about that right now.

故事将把角色带到隐藏地域，不过现在还不能公布。

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However, from what we know from now-public secret military research in this area, it's clear that many of these sorts of techniques are simply tested empirically.

然而，从我们现在知道的——这个领域公开的秘密军事研究，很清楚，经验简单地就检验了很多类似的技术。

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According to scientists, the secret of what we admire in fact lies in the medial orbito-frontal cortex –an area of the brain just behind the eyes.

科学家称，事实上，我们对事物欣赏与否，取决于位于我们眼睛后面的大脑区域，即内侧眶额叶皮质。

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But the area is guarded by the Secret Service and Chicago police.

VOA: special.2009.01.12

Almost all of the development in this area is secret and classified.

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Secret Service agents evacuated the immediate area in front of the White House, including the North Lawn area used by television organizations and other journalists, while initial examinations of the man and his bag were conducted.

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He said it was all about making the area "less of a secret and much more of a big message".

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