WASHINGTON - Reports of sleeping air traffic controllers highlight a long-known and often ignored hazard: Workers on night shifts can have trouble concentrating and even staying awake.

一则关于睡着的空中交通管制员的报道强调了人们早就知道却一直忽略的危险：晚间工作的人很难集中精力和保持清醒。

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The third project gathers your daily location data and cross references it with air pollution reports.

第三个项目可以收集你的日常定点数据，然后和空气污染报告进行前后对比。

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In the capital Tripoli, Gadhafi loyalists fired anti-aircraft guns into the air sporadically, amid reports of NATO airstrikes.

在首都的黎波里，卡扎菲的效忠者时不时地针对有关北约空袭的报告向空中发射高射炮。

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As many as 90 people were reported killed in the air strike and initial reports from the local Afghan population described most of the victims as civilians.

VOA: standard.2009.09.07

King's exclusive then began to be shot down by three different CNN reporters giving their own on-air reports: Fran Townsend, Joe Johns and Tom Fuentes.

NPR: Media Frenzy On Marathon Investigation

The research team used data from a number of sources including air pollution reports, traffic counts and tax offices.

BBC: US researchers map carbon emissions at street level

In May, the same aircraft had to make two unscheduled air returns following reports of engine failure, according to a Dana Air station manager in Lagos.

CNN: Nigerians demand answers in wake of Dana Air crash