But one of the two bills he signed into law also made unrelated changes in the federal student loan program.

VOA: special.2010.04.15

Doctor Ruhli says researchers used this method to study changes in the tuberculosis bacteria from two thousand year-old mummified tissue.

VOA: special.2010.06.29

The researchers have developed a way to make genetic changes in the three mosquito species known to spread malaria.

VOA: special.2009.12.22

Small changes in the movement of Neptune led several astronomers to believe that an undiscovered planet was affecting Neptune's orbit.

VOA: special.2010.07.11

In his first message to Congress, President Arthur asked for changes in the way government jobs were filled.

VOA: special.2010.04.29

President Obama has signed legislation to make the biggest changes in the health care system in forty-five years.

VOA: special.2010.03.24

This way,they can observe changes in the structure of a deadly organism from one generation to the next.

VOA: special.2010.06.29

There were many changes in the social customs and day-to-day life of millions of Americans during the administration of President Calvin Coolidge.

VOA: special.2011.01.06

The Doppler effect explains changes in the length of light waves or sound waves as they move toward you or away from you.

VOA: special.2009.04.29

"I think we may be looking at one of those almost generational changes in the role of the federal government in US society."

VOA: special.2011.07.15

It found changes in the way that American wives and husbands share economic responsibility for their families.

VOA: special.2010.02.19

But it does not prevent more changes in the brain that are caused by the disease.

VOA: special.2009.04.07

During the nineteen sixties, medical researchers discovered changes in the brains of people with the disease.

VOA: special.2009.04.07

The commission does not have enforcement powers, but it can suggest changes in the law.

VOA: special.2009.11.19