NASA hit the challenge hard. The space agency built a bird radar to scan for flocks that could fly through a shuttle?s launch path and pose an impact risk.

NASA下定决心要解决这一问题，宇航局建立了一座鸟类雷达，以扫描航天飞机发射路径上是否有可能造成冲撞的鸟群。

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Chinese scientists are concerned over whether the new H7N9 bird flu will mutate and pose a bigger threat, Global Times reports.

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It was agreed the equipment would not be put in place during bird nesting season, and the mast would not have supporting guy lines which could pose a risk to flying birds.

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