Background cosmic radiation levels in free space are ten times greater than the maximum acceptable levels for individuals who work in radiation environments on Earth.

太空环境下的宇宙射线辐射强度，超过地球上人体承受极限的十倍以上。

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The yields on its ten-year bonds have spiked up above to euro-era highs above 7 percent and towards the levels that forced the previous bailouts.

葡萄牙10年期国债收益率上涨到7%以上，创下欧元区成立以来的新高，接近新一轮资金救援的水平。

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The report on junior doctors also found that only ten or 15 casualty departments in England had staffing levels which allowed them to genuinely run a 24-hour service at consultant level.

这份关于初级医生的报告也发现，在英格兰仅有10或者15个病情严重部门有高级医师24小时的照顾。

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The yield on ten-year Spanish debt is flirting with unsustainable levels once again.

ECONOMIST: The world economy

Ten galleries on three levels have been created to house the new Medieval and Renaissance galleries, which are due to open on December 2nd.

ECONOMIST: The new Medieval and Renaissance galleries are a treat

For their calculations, the two assumed that where there was a gap between demand and conventional supply it would be filled with synthetic fuels, first with tar-sands oil and later with oil from coal and shale. (According to high-end estimates, coal and oil shale could together yield some ten trillion barrels of unconventional crude.) They then calculated what the impact would be on global carbon-dioxide levels.

NEWYORKER: Unconventional Crude