At the same time, only two of the eight ancient people who died at an earlier age showed signs of the disease.

VOA: special.2009.12.15

Images of Uncle Sam were also used on signs during World Wars One and Two to persuade Americans to join the Army.

VOA: special.2009.09.25

Breathing in two hundred parts per million of carbon monoxide will cause the first signs of poisoning.

VOA: special.2011.01.25

Experts say even a two percent drop in the body's water supply can cause signs of dehydration.

VOA: special.2010.07.27

Arick first showed signs of the disease when he was about two years old.

VOA: special.2009.07.28

The target pledges by the world's top-two carbon emitters are seen as hopeful signs for progress at Copenhagen, although a final package for global greenhouse gas reduction remains in doubt.

VOA: standard.2009.11.26