The scientists discovered this by following and filming groups of chimps in Uganda, and examining more than 5,000 incidents of these meaningful exchanges.

科学家们通过跟踪和拍摄乌干达的黑猩猩群，并研究了5000多起有意义的交流事件，发现了这一点。

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While height increased in Uganda and Niger during the early 20th century, the trend has reversed in recent years, with height decreasing among 18-year-olds.

尽管20世纪初乌干达和尼日尔人的身高有所增加，最近几年这一趋势发生了逆转，18岁的人身高有所下降。

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What happened in Uganda?

在乌干达发生了什么？

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The virus was identified in Uganda in two thousand four and has spread fast in areas extending from Lake Victoria.

VOA: special.2010.06.08

In Uganda,a new study has confirmed earlier research linking the spread of sleeping sickness to infected farm animals.

VOA: special.2010.01.04

A British doctor reported the first cases of what was probably Buruli ulcer in eighteen ninety-seven in Uganda.

VOA: special.2009.04.06

They are accused of taking bribes from Tullow Oil, a British company in Uganda.

FORBES: The 'Resource Curse:' Uganda's Upcoming Oil Wealth is a Global Challenge on Multiple Fronts

Oil companies have meanwhile been touting huge oil finds in Uganda, Ghana and Dubai.

FORBES: Magazine Article

In 1997-99, the number of land-line users in Uganda inched up from 54, 000 to 59, 000.

ECONOMIST: The digital revolution is helping the poor, too