Japan has been trying to bring its nuclear crisis under control, but the spread of radiation has raised concerns about the safety of the nuclear energy.

日本一直在努力控制核危机，但是核辐射的蔓延已经引起了人们对核安全的担忧。

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And how good are you relative to emergency preparedness All of which are tested. In the radiation safety we have occupational and public radiation safety.

以及你们是如何出色地联系到紧急准备，所有的这些都要测试，在辐射安全中，我们有职业的和公众的辐射安全。

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And they have reactor safety, then they have radiation safety, then they have safeguards which is the security stuff.

他们有反应堆安全，然后还有辐射安全，他们还有防护措施，那就是保障材料。

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The author of the piece, Dariusz Leszczynski, is a research professor at the Radiation and Nuclear Safety Authority in Finland.

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The authorities in the nearby city of Kawaguchi, Saitama prefecture, also reported radiation levels above safety norms in its water supply on Thursday.

BBC: Fukushima workers in hospital after radiation exposure

The study, which was put together by Finland's Radiation and Nuclear Safety Authority, suggests that people who used cellphones longer than 10 years were 40 percent more likely to develop gliomas (a nervous system tumor) on the side of the head where the cellphone's radiation would enter the head.

ENGADGET: Cellphones are dangerous/not dangerous, inconclusive edition