Secretary Gates said he has launched a year-long study of the possible effects of a change in the law.

VOA: special.2010.02.06

The researchers noted a big change in the list of countries with the lowest adult mortality over the past forty years.

VOA: special.2010.05.05

Signs of climate change include an increase in rain when there used to be only snow, new plant life,and melting ice sheets.

VOA: special.2009.06.03

The researchers said tPA improved the chances of a successful result by thirty-one percent and produced no change in the death rate.

VOA: special.2009.09.22

Almost two hundred countries met for two weeks at a United Nations conference on climate change in Copenhagen,Denmark.

VOA: special.2009.12.26

But they believe there is a helpful change in the way the body processes energy in the monkeys that eat fewer calories.

VOA: special.2009.09.01

In our last program, we told you how the flow of immigration to the United States began to change in the eighteen eighties.

VOA: special.2010.05.20

Another reason is that a small change in temperature can mean the difference between snow and rain.

VOA: special.2010.01.05

The next major change in Winslow Homer's life was a decision to work in a new medium.

VOA: special.2010.07.25

Senator Davis said that what was needed was a change in the North's policy toward the South.

VOA: special.2009.03.26

These incidents took place during a time of intense social and political change in the United States.

VOA: special.2010.02.25

Examples include large medical bills, the loss of financial aid or an unexpected change in the financial condition of their source of support.

VOA: special.2009.01.29

Another possible reason for more injuries is a change in the traditional idea of physical education.

VOA: special.2009.08.06

Other warning signs are a change in skin color and uneven borders around a mole.

VOA: special.2010.07.06