Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

Some researchers say people living in cities in West Africa may have suffered most of all.

VOA: special.2010.03.23

In fact,they say that in some cases it may have created more problems than it solved.

VOA: special.2009.02.09

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

VOA: special.2010.07.21

Some experienced divers say they may not face danger when near a shark.

VOA: special.2009.06.16

Some scientists say a weakened ability to identify smells may be involved.

VOA: special.2009.09.15

The researchers say these chemicals may cause cancer in some people.

VOA: special.2009.05.19

Residents say they are sleeping better. But if Sderot residents are enjoying the relative peace, some fear it may not last.

VOA: standard.2010.01.02

Aid groups say 23 million people face starvation in East Africa because of a relentless drought some scientists say may be a result of climate change.

VOA: standard.2009.11.04

Some say record snowfalls may have kept homebuyers away.

VOA: standard.2010.03.02

Whole lives play out on Facebook. Births.Graduations.Marriage.Even divorce Some experts say that sharing too much information can have downsides - including affecting the way prospective employers may evaluate a job candidate.

VOA: standard.2010.07.23

Some political analysts in Thailand say he may have hurt his popularity by taking the post in Cambodia, and by making controversial comments on the revered Thai monarchy in an interview with a British newspaper.

VOA: standard.2009.11.11