But natural selection has stood the test of time as a basis for the science of biology.

VOA: special.2009.12.01

we're going to be doing these on a regular basis." "And I'm very thankful that everybody here has taken the time to come.

VOA: standard.2010.02.09

Abbas Milani, an analyst at The Hoover Institution, "I certainly know of no time in Iranian history where the democratic discourse, and the social basis of democracy have been as strong."

VOA: standard.2010.06.11