Federal Reserve Chairman Alan Greenspan, who highlighted another long-term risk to America's economic health: its skyrocketing national debt.

VOA: standard.2010.02.07

Asian-American parents' traditional emphasis on education has run into the stumbling U.S.economy and skyrocketing college costs.

VOA: standard.2010.07.14

At the same time, skyrocketing rates of kidney failure, caused by diseases such as diabetes and hypertension, make it urgent to offer more - and more sophisticated - transplants.

VOA: standard.2010.05.30