These cave systems form in carbonate rock, often on islands.

VOA: special.2010.11.10

Mudd suspects that increased pressure on the Pakistani Taliban in the form of US drone attacks could have prompted militants to directly target the US.

VOA: standard.2010.05.18

he and his six-man band are in peak form on their new album,"Bingo!"

VOA: standard.2010.06.27

LeMieux also complains the Democrats plan has new taxes on health insurance providers which he says would be passed on to consumers in the form of higher premiums.

VOA: standard.2009.10.10

"Since we know that these kinds of threats can emerge at any moment, even if it turns out that the H1N1 is relatively mild on the front end, it could come back in a more virulent form during the actual flu season,"

VOA: standard.2009.05.01

Ngoga Gateretse, Senior Advisor to the African Union Special Envoy for Somalia, called the situation in Mogadishu grave and said al-Shabaab is trying to force an extreme form of Islam on the Somali people, "This is completely new and shocking to the majority of the Somalis.

VOA: standard.2009.06.26