Researchers compared the use of fertilizer in three areas that grow maize as a major grain: China,Kenya and the United States.

VOA: special.2009.07.28

But Dewey would likely have disagreed with many current practices in American education, like the wide use of standardized testing.

VOA: special.2010.01.07

However, officials say any reduction in the use of pesticides must make sure that disease control efforts are not weakened.

VOA: special.2009.05.26

The use of scientific knowledge in legal cases is called forensics, from the Latin term for a public forum.

VOA: special.2009.10.03

At Indiana University in Bloomington, sixty percent of students who use the Office of Writing Tutorial Services are non-native English speakers.

VOA: special.2009.04.16

It was a list of what he considers the worst practices in the use of information and communication technologies in education.

VOA: special.2010.09.20

Finally,in November, nineteen sixty-nine, the United States government ruled that the use of DDT must stop in two years.

VOA: special.2010.03.14

The Skin Cancer Foundation says use of tanning beds in youth increases a person's risk of developing melanoma by seventy-five percent.

VOA: special.2010.07.06

He died last year. By that time, hundreds of thousands of the filters were in use in developing countries.

VOA: special.2009.06.22

meaning killed. The Random House Historical Dictionary of Slang provides a possible explanation for the use of eighty-six in restaurants.

VOA: special.2010.01.08

In March, President Obama ended restrictions on the use of federal money for research using human embryonic stem cells.

VOA: special.2009.04.07

These are words that visitors use to describe Dolly Sods, a large wild area in the Potomac Highlands of West Virginia.

VOA: special.2009.07.20

American investors and bankers were afraid their money would drop in value because of the use of silver.

VOA: special.2010.06.24

Medical historians say the death of Clara Maass also created a public protest over the use of humans in yellow fever research.

VOA: special.2010.05.18