The Chronicle of Higher Education says at least fifty-eight private colleges now charge fifty thousand dollars or more a year.

VOA: special.2009.11.19

They were listening to an expert who is in charge of meteorites at the Smithsonian.

VOA: special.2010.07.28

Rebecca Lent is in charge of International Affairs at NOAA Fisheries, the US government agency responsible for protecting the country's marine resources.

VOA: standard.2010.03.04