It is important to know early warning signs so that cancerous growths are found before they spread.

VOA: special.2010.07.06

Martian methane is also unusual because it is not evenly spread over the planet.

VOA: special.2009.12.30

And so,the information - secret as it is C begins to spread.

VOA: special.2009.02.22

He said a lot of misinformation is being spread by critics of reform, adding that it is necessary to clear the air.

VOA: standard.2009.08.11

As you can imagine, the deeper the earthquake goes, the more of the energy is attenuated or spread out as it goes toward the surface.

VOA: standard.2010.01.13

Days after Mexico suspended public activities virus,testing it, flu, to reduce the spread of swine flu, the country is reporting a leveling off in the rate of new infections.

VOA: standard.2009.05.03

U.S.officials worry that, even if the virus' spread is eventually contained, it could re-emerge months from now during the northern hemisphere's winter flu season, when more than 30,000 Americans die each year from common influenza.

VOA: standard.2009.05.03

"Obviously there is a bit of a spread between those two figures and it suggests the possibility of some political problems for the president if he should not take the military recommendation and that difference gets to be a big issue,".

VOA: standard.2009.10.09