Wallace had reached these ideas from his studies on islands in the western Pacific Ocean.

VOA: special.2009.02.25

Those measurements were observed in earlier studies on the same individuals.

VOA: special.2009.03.10

He says studies on the effectiveness of nurse practitioners have been too small to be conclusive.

VOA: standard.2010.05.14

Inspite of several ground breaking studies on autism, there is no single treatment or cure, although experts say certain therapies and educational approaches reduce the challenges associated with the condition.

VOA: standard.2010.03.23

That's the finding in a new study that analyzed over 750 published studies on children's health the findings were base on data from 50 years studies from children health, and health care disparities "Racial and ethnic disparities in children's health care are quite extensive, pervasive and persistent."

VOA: standard.2010.04.07

Earlier studies by the 2 researchers described the effects of social networks on obesity and efforts to stop smoking.

VOA: special.2009.01.21

In nineteen forty-seven, he began to direct the Institute of Advanced Studies at Princeton University on the East Coast.

VOA: special.2009.06.14

Ms.Quisumbing says studies show that women are more likely than men to spend money on food,health and educating their children.

VOA: special.2011.03.22

Last year,President Obama ended restrictions on the use of federal money for studies of human embryonic stem cells.

VOA: special.2010.11.02

Studies have discovered evidence of harmful bacteria in toilets,on surfaces where food is prepared, even on home telephones.

VOA: special.2009.10.13

University of California biologist Bill Schopf studies ancient fossils and the dirt they are found in on earth.

VOA: special.2010.05.25

The researchers say more studies are needed to learn the reason for the different effects of tobacco smoke on boys and girls.

VOA: special.2009.01.13

The International Maritime Bureau is an organization based in London that studies crimes on the high seas.

VOA: special.2009.04.25

The scientists say that studies based on the new genome may help explain, in the short-term, why the organism has been so aggressive.

VOA: special.2009.11.03