The study found that many farmers have better harvests, better weed control and fewer losses from insect damage compared to traditional crops.

VOA: special.2010.05.18

The two groups were retested four years later, and the study compared the results with the first test.

VOA: special.2009.10.21

The study compared trees that had been thinned by machine with those that had not been thinned.

VOA: special.2009.11.10

Two new studies have investigated why fewer females,compared to males, study and work in the so called STEM subjects in the United States.

VOA: special.2010.04.01

The study compared three hundred nineteen Parkinson's patients to more than two hundred family members.

VOA: special.2009.04.07

However,its effectiveness had never before been compared to that of medicines in a large study.

VOA: special.2009.02.03

The study compared patients who took three hundred twenty-five milligrams of aspirin at least two times a week with those who did not use aspirin.

VOA: special.2009.09.01

"Compared to the most active group of women." During the study, the average weight of the participants went up by six pounds, or 2.7 kilograms.

VOA: standard.2010.03.30