Several different species of coral can be present in the different colonies that form the reef structure.

VOA: special.2010.08.10

Soft corals do not form reefs, but may be present in a coral reef ecosystem.

VOA: special.2010.08.10

In its purest form, clay can be shaped and stretched and used to make objects.

VOA: special.2009.01.12

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

Both teams seem to be in top form before the game.

VOA: standard.2010.07.01

David Kramer,former senior State Department official in the George W.Bush administration, says the Russian president will be in northern California to try and form business partnerships and to learn how Silicon Valley got started.

VOA: standard.2010.06.18