Tom Perls,who heads the New England Centenarian Study, explains what they found.

VOA: standard.2010.07.14

The NASA team still is not sure how much of what they have found is water and how much is hydroxyl.

VOA: special.2009.09.30

They meet with members of Congress and the Executive Branch and say "Here is what we found and here is what you should do."

VOA: special.2010.09.27

But scientists found that it is not just what they ate.

VOA: special.2010.06.04

He said,however, that two polling officers were arrested before the polls opened Friday after they were found opening boxes containing what he called sensitive materials.

VOA: standard.2009.11.28