If it is a meter or more thick, however,blue light often can be seen.

VOA: special.2010.01.05

A few are pink or light blue.

VOA: special.2010.03.22

To get it,however, they have to go through or get rid of the Pandora natives: a tall,blue-skinned tribe called the Na'vi.

VOA: standard.2009.12.19

But,if a child is choking and cannot make noise or is turning blue, parents should know the Heimlich maneuver, or for babies under the age of one, give a few quick slaps on the back and then chest thrusts.

VOA: standard.2010.02.23