And they have college credit from passing Advanced Placement tests in high school.

VOA: special.2009.07.23

They have bred prolifically and have advanced across Australia's tropics at a rate of 40 to 50 kilometers a year.

VOA: standard.2010.02.07

you have to assume they are in," He says the more advanced a country is in its use of computers and the Internet, the more vulnerable it may be.

VOA: standard.2009.08.11