The disappearance of ice will not only affect wildlife in the area such as seals and penguins.

VOA: special.2009.04.22

He never saw them again. The disappearance of Mallory and Irvine on Mount Everest remains among the greatest exploration mysteries of the last century.

VOA: special.2010.06.30

It says an explosion or explosions by comets could explain the disappearance of many animals and human beings who lived in North America at that time.

VOA: special.2009.01.20

One reason for this is the disappearance of grasslands in the central United States.

VOA: special.2009.05.12

We also will tell about a possible explanation for the mysterious disappearance of bees.

VOA: special.2009.09.22

It explores the political and economic effects caused by the disappearance of honeybees.

VOA: special.2009.03.25

The disappearance of cancer stem cells,then, is important for cancer control.

VOA: special.2010.06.01

Experts blamed the disappearance on hunting and reproduction with other horses.

VOA: special.2010.06.22