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

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