A scientific theory represents the best explanation of how the natural world works.

VOA: special.2009.12.01

Since then Dave Brubeck has had many different quartets His best known jazz works include "In Your Own Sweet Way," "The Duke" and "Blue Rondo a La Turk."

VOA: special.2009.11.30

It is one of his best known and most influential works.

VOA: special.2009.06.21

Her best known works are huge sculptures of spiders.

VOA: special.2009.03.13