Many people think that the Industrial Revolution was the first time people began to have a major effect on the earth's ecology.

VOA: special.2011.04.26

One person attending that evening described how the perfection of all things in the museum seemed to have an unusual effect on the guests.

VOA: special.2009.01.11

Researchers also carried out an experiment to test if signs of disorder that were heard had the same effect as signs that were seen.

VOA: special.2009.03.03

And it was proposed by my thesis advisor Professor Weisskopf that we work on this problem to understand the effect of the impurities in scattering electrons and interfering with their motion.

VOA: special.2010.11.09

Treasury Secretary Geithner told members of the Senate banking committee that economic recovery efforts are beginning to take effect.

VOA: standard.2009.05.20

"We were looking at effect of delivery mode on the very first bacteria that the baby is exposed to."

VOA: standard.2010.06.30

During's field is gene therapy, so he's working on a way to recreate that effect by modifying the gene that controls the leptin hormone.

VOA: standard.2010.07.14

And so while there are signs that some of the things that the president is doing are starting to have effect, these problems did not get made overnight.

VOA: standard.2009.03.15

"That will be restored over the next few weeks months as the policy efforts that have been put in place begin to take effect and people really see that it makes a difference.

VOA: standard.2009.03.10

We think that there is a need, while we are treating this matter, to examine the effect, or the impact of whatever decision that will be taken on the peace process in eastern Congo."

VOA: standard.2009.04.18

He is also lead author of the paper, Fast Profits: Investor Sentiment and Stock Returns During Ramadan. Reporter Cecily Hilleary asked him to explain the so-called Ramadan Effect. During the Holy Month, we find that on average, stock returns are almost nine times higher in predominantly Muslim countries than during other times of the year.

VOA: standard.2010.08.05