Some scientists say the amount of tenofovir in the gel may be too low.

VOA: special.2010.07.21

There are fears that some low-lying communities may have to be abandoned in years to come because of flooding and erosion.

VOA: standard.2009.11.09

Officials also still not have released any figures for voter turnout, which observers predict may be as low as 10 percent in areas where the Taliban insurgency is active.

VOA: standard.2009.08.23

The IAEA draft deal calls for Iran to ship its stockpile of low-grade enriched uranium to Russia to be transformed into more highly enriched uranium for use in Tehran's medical research reactor.

VOA: standard.2009.10.28

Iran has sent mixed signals about its response to the plan, under which much of the low-enriched uranium Iran has produced in its controversial enrichment program would be shipped abroad for processing, a step that would ease Western concerns about Iran's nuclear intentions.

VOA: standard.2009.11.09