In this study, Hamer and his colleagues combined measurements of tobacco exposure with interviews focused on mental health issues.

VOA: standard.2010.06.15

In this study, the research team developed a new statistical way of analyzing the genetic code of people who had reached age 100 as compared with people who had a more typical lifespan.

VOA: standard.2010.07.14

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

Now,we talk to a researcher who presented a study this week at the Pediatric Academic Societies meeting in Vancouver,Canada.

VOA: special.2010.05.06

More detailed results of the study are expected to be presented at a conference in France later this month.

VOA: special.2009.10.13

This week, we will tell about a study linking activity on the sun to changes in Earth's climate.

VOA: special.2009.09.29

The study found this loss of bone strength increases the risk of broken bones later in life.

VOA: special.2009.03.10

This lets them accept temporary employment in their area of study for twelve months after graduation.

VOA: special.2009.07.02

The study appeared online this week in Pediatrics,the journal of the American Academy of Pediatrics.

VOA: special.2009.08.06

In the United States, a two-year study requested by Congress was released earlier this year.

VOA: special.2009.10.03

But a new study has found that they offer little help in this way.

VOA: special.2009.07.15

The study appeared earlier this year in the journal Arthritis and Rheumatism.

VOA: special.2010.05.19

The study appeared earlier this year in the publication Acta Paediatrica.

VOA: special.2009.11.24

Although this was an animal study, the scientist behind it thinks it could signal new ways of treating cancer in people.

VOA: standard.2010.07.14