But people who work with adobe must experiment.

VOA: special.2009.01.12

but the line they dare not cross is to splice human genetic material into an experiment.

VOA: standard.2010.06.09

"People can look at things and be curious about them, but if you are an explorer you want to know why and how and maybe develop an experiment to test the hypothesis."

VOA: standard.2010.06.21