Many are thought to have died of cold or hunger or in severe storms.

VOA: special.2010.03.02

Of that number,about half are thought to have entered the country illegally,with the rest overstaying their visas.

VOA: standard.2009.09.01

Greenhouse gas emissions such as carbon dioxide are thought to be a major cause behind rising temperatures that have lead to extreme weather and food shortages.

VOA: standard.2009.09.28

Older mothers are known to face increased risks for having children with genetic disorders, and genes are thought to play a role in the entire autism spectrum.

VOA: standard.2010.02.10

German casualties are thought to have numbered between 4,000 and 9,000.

VOA: standard.2009.06.02

Some of them are believed to have moved to the provincial capital Quetta, where Afghan Taliban leader Mullah Omar and his top deputies are thought to have lived since fleeing Afghanistan.

VOA: standard.2009.03.19

While the Heimlich maneuver is a good thing to know, Dr.Gary Smith,a pediatrician, says many foods that are thought to be kid friendly are actually dangerous like grapes,popcorn,nuts, bratwurst and hot dogs.

VOA: standard.2010.02.23

(Sound) She says many thought that only grown-ups have rights and children were just there to do what they are told.

VOA: standard.2009.11.22

The animal's skin and organs are also thought to have therapeutic qualities.

VOA: standard.2010.02.07

Southerners are widely thought to favor forming a separate state.

VOA: standard.2010.03.23