He and other researchers found that more than half of some 14,000 patients in the study on that one day, developed infections in intensive care units.

VOA: standard.2009.12.08

The revolution is based on the work of scientists who study the movement of the continents a process called plate tectonics.

VOA: special.2010.01.12

As a result of the study, eleven species of mangrove have been placed on the Red List of Threatened Species.

VOA: special.2010.04.20

The Kansas State University study, however,may show a way that reduces risk for people who grill on high heat.

VOA: special.2009.05.19

The study centered on couples between the ages of thirty and forty-four who were born in the United States.

VOA: special.2010.02.19

The study also found greater snacking on cake, cookies and other treats that past generations might have saved for after dinner.

VOA: special.2010.03.17

We will also tell about a study of young Americans and their use of social Web sites on the Internet.

VOA: special.2009.02.03

In December, the publication Social Indicators Research reported on a study of activities that help lead to happy lives.

VOA: special.2009.03.10

But a three-year study showed that beetles like to feed more on the transgenic plants, increasing cases of wilt disease.

VOA: special.2009.10.27

The Kansas State University study, however, may show a way that reduces risk for people who grill on high heat.

VOA: special.2010.06.01

Randall Thompson was one of several American doctors who cooperated with an Egyptian heart expert on the study.

VOA: special.2009.12.15

Nora Volkow is director of the National Institute on Drug Abuse and the lead author of the study.

VOA: special.2009.09.16

That is true,at least, of most of one thousand two hundred people who recently answered questions for a study on the issue.

VOA: special.2010.07.13

In another study, some brown pelicans on the west coast of the United States have been acting mysteriously.

VOA: special.2010.03.02