These were some of the questions Charles Darwin asked himself over years of research in botany,zoology and geology.

VOA: special.2009.02.25

But over the years, many have dropped these requirements.

VOA: special.2009.10.22

These musicians had performed together over the years.

VOA: special.2009.02.06

Most of that is coming from Vietnam. The highest year that the US shipped rice, over these last 10 years,was in 2004;

VOA: standard.2010.07.29

These iconic household goods have changed over the years, from wristwatches, radios and bicycles, to refrigerators and televisions.

VOA: standard.2009.09.28

Some of these things are possibly over 4000 years old."

VOA: standard.2010.05.26

"We had about over 2000 oysters deployed in our farm and these are the result of over 10 years worth of research and we moved the oysters to Rockefeller Refuge."

VOA: standard.2010.07.13