Miz Goodall says when she began working in Tanzania, there were between one and two million chimps in the wild.

VOA: special.2009.11.18

And in societies where there is less trust between people, the quality of the legal system plays a larger part.

VOA: special.2009.12.19

But there have also been efforts to bridge the differences between religious belief and evolutionary science in recent years.

VOA: special.2009.12.01

We also will present evidence of a suspected link between tobacco smoke and behavioral problems in boys with asthma.

VOA: special.2009.01.13

The war between the United States and Spain in eighteen ninety-eight was one of the shortest in American history.

VOA: special.2010.07.29

I was a first-year student at Johns Hopkins University in Baltimore, and was relaxing between classes at the student union building.

VOA: special.2009.08.16

Clay urged his friends in the border states between North and South to try to build public support for the Union.

VOA: special.2009.03.19

Cigarette production in the United States more than doubled in the ten years between nineteen eighteen and nineteen twenty-eight.

VOA: special.2010.12.30

And millions of Americans listened to the boxing match in nineteen twenty-six between Jack Dempsey and Gene Tunney.

VOA: special.2010.12.30

Zora was born at a time of racial tensions between blacks and whites in the southern United States.

VOA: special.2009.02.22

Most fruits and vegetables need the relative humidity in storage to be kept between eighty-five and ninety-five percent.

VOA: special.2009.11.30

A recent study shows a sharp increase in rock climbing injuries between nineteen ninety and two thousand seven.

VOA: special.2009.12.09

She says M.R.Robinson saw an imbalance between recognition of success in sports and of that in the arts.

VOA: special.2011.05.27

An American study has shown a link between tobacco smoke and behavioral problems in boys with asthma.

VOA: special.2009.01.13