As it happens, the plan was announced on May sixth -- the same day as the "flash crash" on American stock markets.

VOA: special.2010.05.21

Psychologist Jonathan Rottenberg at the University of South Florida says they wanted to study crying as it happens in everyday life, not in a laboratory.

VOA: special.2009.01.28

Hypothermia happens when the body cannot produce as much heat as it releases.

VOA: special.2009.12.23

"Trafficking thrives in the shadows. And it can be easy to dismiss it as something that happens to someone else, somewhere else.

VOA: standard.2009.06.16

Nothing in Afghanistan happens in a day or as quick as it would in the U.S."

VOA: standard.2009.12.13