尽管科学理论的大致框架能被直观地勾勒出来，但当物质世界的一部分最终被理解时，它的描述看起来通常就像数学课本中的一页内容。

Though the broad outline of a scientific theory can be sketched intuitively, when a part of the physical universe is finally understood, its description often looks like a page in a mathematics text.

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现在为了《暗物质》杂志的第一期发行，它们将被分为三个部分公布。《暗物质》在线杂志为您带来全世界最优秀的科幻短篇小说新作。

They are being released now, in three parts, to mark the first issue of Darker Matter, the online magazine that brings you the best new SF short stories from around the world.

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世界上植物遗传物质的四分之三已经灭绝，大部分是因为栖息地破坏，粮农组织的帕斯夸莱说，而且每天有更多的正在消失。

Three-quarters of all the world's plant genetic material may have gone already, mostly by habitat destruction, says Pasquale Steduto of the FAO, and more is going every day.

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