However,each time a plant takes in one molecule of carbon dioxide gas, it loses hundreds of water molecules.

VOA: special.2010.01.26

The NASA scientists discovered water molecules mainly in the moon's extreme northern and southern areas.

VOA: special.2009.09.30

And they looked at it with a spectrometer and they found that the molecules that were coming up included water."

VOA: standard.2009.12.24