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

"I don't think this is going to have that big an effect on either side, whether it's the states who want to maintain their territorial integrity against the aspirations of some of their own indigenous people or, for that matter, movements that want to seek their own independence and freedom."

VOA: special.2010.07.24

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

The ministry has already taken some measures to that effect,"

VOA: standard.2009.08.29

"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

lead author Matthew During of Ohio State University, described what happened after just three weeks, "And what was surprising to us was that the animals in the enriched environment, the cancers are 40 percent smaller" "When we moved that enrichment to six weeks,now, the cancers were approximately a dramatic effect,and not only that, but 17 percent of those animals had no tumors whatsoever."

VOA: standard.2010.07.14

"If all the investment now will be done in the city where there are huge needs to reconstruct all the infrastructure, where there will be a lot of demand in terms of construction work, then you will have again a pull effect from the rural areas back into a city that is not ready to absorb a lot more people than they have today."

VOA: standard.2010.07.16