"The Affluent Society." He argued that while private individuals in America were becoming wealthier, public institutions were growing poor.

VOA: special.2011.05.01

While studying warships, Fuller realized that they weighed much less than buildings, yet were able to do much more.

VOA: special.2010.05.30

He got high praise too, while others who knew a thousand times more than he were sharply criticized.

VOA: special.2010.03.27

The researchers left a piece of paper on the handlebars of the bicycles while their owners were away.

VOA: special.2009.03.03

He got high praise, too, while others who knew a thousand times more than he were sharply criticized.

VOA: special.2009.01.03

But Professor Rottenberg says those who felt shame or embarrassment while crying were less likely to report that crying had been helpful.

VOA: special.2009.01.28

Research has shown that these possible fossils were not formed while the rock was here on Earth.

VOA: special.2010.07.28

While scientists were studying the stars and moon to solve the longitude problem, a man named John Harrison was working on another project.

VOA: special.2010.07.14

He says they were able to share with viewers the emotions they experienced while watching the lioness.

VOA: special.2011.03.23

The report said the residents were attempting to do as much work in the shorter time as they had done while working more hours.

VOA: special.2009.06.02

The astronauts used it to carry tools and cameras while they were on the moon.

VOA: special.2009.07.29

None of his workers were ever killed while putting out oil well or gas fires.

VOA: special.2009.03.22

But after the war, women were expected to stay at home and have babies while their husbands went back to work in factories and laboratories.

VOA: special.2009.05.13

He said the North could look on in safety while the actions of some of its people were producing flames of bitterness throughout the southern states.

VOA: special.2009.03.19

While holding their hand underwater, they were asked to repeat a swear word.

VOA: special.2009.08.18