Dr.Leslie Miller at Washington Hospital Center is involved in clinical trials of heart pumps, including this one that the U.S.Food and Drug Administration has approved as a device that can permanently replace the heart for patients who are too old to be considered for a heart transplant.

VOA: standard.2010.01.27

"Dopamine is considered a neurotransmitter that is crucial for our ability to perceive rewards and to be motivated in our behavior."

VOA: special.2009.09.16

Apache Indians considered it to be their land and were all too ready to fight for it.

VOA: special.2010.02.15

Economists have long considered government spending, especially on infrastructure, to be an effective tool for revitalizing a stagnating economy.

VOA: standard.2009.10.16

The president says Congress must put politics aside, and understand that America has the ability to handle detainee cases - from those easily transferred to civilian courts, to those considered a severe threat who for one reason or another cannot be prosecuted.

VOA: standard.2009.05.21