Need to cool something extra-fast? New research suggests that lasers might do the trick.

需要急速冷却东西吗？新的研究表明激光也许能解决这一难题。

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What's more, demand for animal products in developing countries is growing so fast that meeting it will require an extra 300 million tons of grain a year by 2050.

此外，发展中国家对动物产品的需求增长如此之快，以至于到2050年时每年将需要额外增加3亿吨谷物才能满足需求。

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But even if the ice melts as fast as shippers hope (and scientists fear), navigation is likely to demand strengthened hulls, higher insurance and extra training for crews, all adding to the costs.

但是即使冰融化得象航运者们希望的那样快(科学家们担心的)，航行可能需要加固船体、更高的保险和对全体船员附加的训练，所有的都增加了开销。

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It has an extra button for changing tracks and fast-forwarding through music CD selections.

CNN: IDG.net - Recordable and rewritable CD drives: Permanent, portable storage

That chip supply is improving gives Apple fans the chance to have the fastest chip without the extra options--apparently, there are more of the fast chips than there are Superdrives.

FORBES: Ten O'Clock Tech: Apple Offers Lower-Priced G4

The optional, extra-cost, 4G LTE cellular-data capability made it feel like I was always on a fast Wi-Fi connection.

WSJ: The New iPad Review: Faster, Sharper and Thicker | Walt Mossberg