Researchers at the Walter and Eliza Hall Institute in Melbourne say the disease has evolved to thwart the body's natural defenses.

VOA: standard.2010.01.20

In recent years, the purpose of the festival has evolved into raising scholarship money to help young musicians in the region.

VOA: standard.2010.08.02

"Smoking is easier than obesity because the way the environment has evolved in the United States really helps reinforce the decision not to smoke."

VOA: standard.2010.07.16

Kucinich says science has evolved since the 1920s when primates were first used for experimentation.

VOA: standard.2010.02.16

As for Jack Faust, he's just thrilled to see how the sport has evolved.

VOA: standard.2010.08.03

A researcher with South Africa's Center for the Study of Violence and Reconciliation, Glen Mpani, said a major impediment to peace and reconciliation is the culture of impunity that has evolved.

VOA: standard.2009.06.21

Given the way the insurgency has unfolded and evolved and enlarged, the Taliban have no reason to talk.

VOA: standard.2009.03.11