What remains unclear is how far this can go before the government reacts to it as a threat.

VOA: special.2010.06.18

It is unclear to scientists exactly how swearing affects physical reactions to pain.

VOA: special.2009.08.18

But under the PhRMA deal, the chances for additional cost-saving measures are unclear.

VOA: special.2009.08.14

She offers one piece of advice for people who receive long, unclear documents.

VOA: special.2010.04.30

He is expected to play, but it is unclear how soon.

VOA: special.2010.06.09

What effect the resignation of Dominique Strauss-Kahn will have is unclear.

VOA: special.2011.05.20

It is unclear how close the object came to the station.

VOA: special.2009.04.01

And it is unclear when the job will be done.

VOA: special.2010.06.22

The reason for this is unclear.

VOA: special.2009.11.24

It's unclear if he knew the priest was allowed back into the parish and again had contact with children.

VOA: standard.2010.04.01

Gareth Price from the London-based research group Chatham House says it is so far unclear if Cowper-Coles made the decision to leave himself.

VOA: standard.2010.06.22

That information should have been passed on to U.S.databases, but it is unclear if that actually happened.

VOA: standard.2009.12.28

But Sinclair-Thompson adds it is unclear how long it may take the airline industry to recover.

VOA: standard.2009.04.28

It is unclear how many attackers took part in the assault, how many people have been wounded or killed and how many people remain captive.

VOA: standard.2009.03.30

Afghanistan's fate looks increasingly unclear despite the presence of about that are fighting the Taliban.

VOA: standard.2009.09.07

And they might get even busier. Though Japan is now showing signs of economic recovery, economists say the long-term forecast remains unclear, as exports remain weak.

VOA: standard.2009.09.09

Debbie Stothard, coordinator of the rights group, Alternative ASEAN Network on Burma in Bangkok says it is still unclear whether real political reforms in Burma will follow.

VOA: standard.2009.08.15

But Dr.Martin says the long-term effectiveness of certain heart catheterization procedures is unclear.

VOA: standard.2010.01.01

Although there is some evidence that artery damage caused by second-hand smoke in adults may be reversible, LaVan says it's unclear whether that's also true for adolescents.

VOA: standard.2010.03.04

The Media Club of Afghanistan is blaming NATO forces for the death of their respected colleague, although it remains unclear whether Munadi was shot by the commandos or the Taliban.

VOA: standard.2009.09.10

What exactly caused the gas leak is still unclear.

VOA: standard.2010.06.10

Some want an independent review. And the trial's researchers, like Dr.Nelson Michael, of the Walter Reed Institute of Research in the United States, say it's unclear what difference the findings will make for areas like Africa where rates of HIV/AIDS are much higher than among the test population and where there are many strains of the virus.

VOA: standard.2009.10.20