In that group, twenty-two percent of the wives earned more than their husbands during the most recent year of the study.

VOA: special.2010.02.19

Researchers from Harvard University and the University of California, San Diego, have found an answer as part of a study.

VOA: special.2009.01.21

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

In two thousand eight, the Journal of the American Medical Association published a study of unplanned deaths from prescription drugs.

VOA: special.2011.07.19

Ellen Yeh from the Stanford University School of Medicine in California was one of the authors of the study.

VOA: special.2009.08.03

Harris Perlman says the suicide molecule halted and even reduced rheumatoid arthritis in seventy-five percent of mice in the study.

VOA: special.2010.03.16

The Institute of International Education in New York says that was the biggest increase of any area of study.

VOA: special.2009.05.07

And many have. Yet now comes a study showing an increase in the number of injuries in "phys ed" class.

VOA: special.2009.08.06

He says the agency currently has twenty-eight projects working in astrobiology, or the study of life in outer space.

VOA: special.2010.05.25

The Malaria Institute at Macha in southern Zambia is a living laboratory for the study of mosquito and human behavior.

VOA: special.2010.04.20

Paul Wyatt at the Drug Discovery for Tropical Diseases program at the University of Dundee led the study.

VOA: special.2010.04.07

Both of the researchers who taught the class, Ms.Schelew and Louis Deslauriers, were also authors of the study.

VOA: special.2011.06.02

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

VOA: special.2009.09.16

Researchers at the University of Western Ontario carried out a similar study involving levels of cortisol in hair.

VOA: special.2010.10.12