It rejected works that showed bright colors, unusual subjects, or any form of experimentation.

VOA: special.2009.07.12

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

VOA: standard.2010.02.16

"But taken together,this bold, persistent experimentation has brought our economy back from the brink.

VOA: standard.2009.08.25