These precautions keep bird-strike fatalities surprisingly rare: in the past 20 years, only 219 people have died in American airspace as a result of bird impacts.

这些防范措施使撞鸟的不幸事件惊人地减少：二十年来，只有219人在美国航空区域死于撞鸟事件。

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During this time when fewer natural foods are available and air temperatures are lower, extra feeding can keep a bird warm and well.

在这段时间里，自然中鸟类的食物越来越少，空气温度也越来越低，额外的喂养可以让鸟类保持温暖和健康。

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"The bird movements can help keep our knees healthy and the monkey movements can be good for the heart," said Hua Yi, the 59th inheritor (继承人) of Wuqinxi.

“鸟戏能帮助维持膝盖健康，而猴戏对心脏有好处。”五禽戏第59代传人华艺说。

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To give the to keep your birds to keep squirrels away from your bird feeders, put Vaseline where the where it hangs.

NPR: Vegetable Gardening On A Budget

We have also had a few health scares to keep our minds occupied - the Bird Flu scare, fish (red-tides), beef, and pork.

BBC: In Hong Kong, life goes on

They say they can keep rain from falling on the Bird's Nest Stadium during the opening ceremony - the stadium has no roof - but scientists elsewhere are dubious about that kind of technology.

NPR: Beijing Preps For Opening Of Olympics