If resident doctors work shorter hours, for example,mistakes could happen when one resident takes over a patient's care from another.

VOA: special.2009.06.02

If resident doctors work shorter hours, the researchers said, errors could happen when one resident takes control of a patient's care from another.

VOA: special.2010.07.13

This area, from west Texas to southwest Minnesota, is where the most violent tornadoes usually happen.

VOA: special.2009.06.09

Slow earthquakes are different from violent earthquakes, which happen suddenly and can be extremely destructive.

VOA: special.2009.07.07

"Something else, which we hope does not happen very often, but which happens from time to time are the accidents which can release huge amounts of chemicals or radioactive-during Chernobyl, the radioactive things.

VOA: standard.2009.03.23

"I think the larger issue is the psychological torment; animals isolated, kept away from others who can give them companionship, fearing what's going to happen next, and animals living in this constant state of confinement."

VOA: standard.2010.02.16