James Stock is on the committee that dates the rises and falls in the business cycle for the National Bureau of Economic Research.

VOA: special.2010.09.24

The life cycle of the plant depends on the amount of daylight.

VOA: special.2010.06.29

"There is a need to break the on-again-off-again cycle of our military-to-military relationship,".

VOA: standard.2009.10.27

He called on a new generation of Africans to build democracy, create opportunity,fight corruption, and end the long cycle of strongman rule and conflict on the continent.

VOA: standard.2009.07.11