In his world, science can explain the beetle, the lotus leaf and the spider's web, but not why they appear beautiful to people.

在他的世界里，科学可以解释甲虫，荷叶以及蜘蛛网，但却无法解释为什么人们会觉得这些如此美丽。

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In fact, that finding allowed scientists to figure out recently why the males of some species of birds did not appear to have brighter plumage than the females, Dr. Neitz said.

奈茨博士说，事实上，这项发现使科学家最近弄清了为什么对某些鸟类，雄性羽毛似乎不如雌性鲜艳。

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And if it really does not, then why does it appear to?

如果真相并非如此，那为什么它看上去似乎如此呢？

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At question time on 28 June 2011, Labour's Lord Anderson of Swansea asked why the flag did not appear above Number 10 and the Foreign and Commonwealth Office on Europe day last month.

BBC: Ministers rebuked over decision not to fly EU flag

The Hamburglar can point the way (we are unclear on why that marketing character does not appear to still exist).

FORBES: McDonald's a "Good Inflation Play"

One scientist thinks he is close to finding the answer why some animals appear immune to this disease while most are not.

FORBES: Fact and Comment