Matisse was a master of expressing great beauty using the simplest combinations of colors and forms.

VOA: special.2010.03.24

Combinations of drugs are able to suppress the deadly virus in the body -- if not a cure, in the traditional sense but the next best thing.

VOA: special.2010.07.14

"What we found is that,in fact, even after measuring those additional biomarkers that there wasn't a great deal of benefit in terms of understanding who was more likely to develop heart disease" Doctor Wang says they did identify some combinations of biomarkers that improved predictions of heart attacks and strokes.

VOA: special.2009.07.15

"For example,if we were working on combinations of six, there may be six balloons."

VOA: standard.2010.08.10

These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it might be possible to regenerate damaged joints using a patient's own stem cells.

VOA: standard.2010.08.11