Historians say the trial formed the beginning of the legal idea that a statement is not libelous if it can be proven true.

VOA: special.2009.04.20

He says he came here as an innocent person and believes his innocence will be proven.

VOA: standard.2009.09.25

Research by the International Center for Agricultural Research in the Dry Areas and its partners has already proven to be successful.

VOA: special.2010.02.08

The report says malaria could be eliminated if countries are serious about using proven control measures like insecticides and bed nets.

VOA: special.2010.11.23

in the country since they first arrived in 2001, and 2009 has proven to be the deadliest yet in terms of losses.

VOA: standard.2009.11.04

Mthethwa says these have been checked and proven to be false.

VOA: standard.2010.06.02

The awards are funded by the Rockefeller Foundation. Judith Rodin of the Rockefeller Foundation said finding innovative ideas and expanding them to a large scale has proven to be hugely effective.

VOA: standard.2010.04.28

"What we've proven to be useful and what does work is having a person in a stressed state, and then reducing that stress because it's that contrast is what motivates a person to cooperate, what motivates a person to start talking.

VOA: standard.2009.04.17