The discovery is exciting because it suggests that the building blocks of life may be more common in the universe than scientists had thought.

VOA: special.2009.09.30

Because of the gravity on Mars, spacesuits may have to be designed to be lighter than suits used in orbit or on the moon.

VOA: special.2011.04.06

"Hepatitis B is the silent killer because most people who are chronically infected may not be aware of the infection."

VOA: standard.2010.07.26

He says because GM crops can be designed to be resistant to insects and disease they may also be better for the environment.

VOA: standard.2009.10.21

The most potent reason that Asian-Americans are increasingly joining the army may just be because they now see top-level officers who look like them.

VOA: standard.2010.07.14

The Kenya Anti-Corruption Commission estimates that at least 100-thousand children may not be able to continue their education because of the suspension of donor funds.

VOA: standard.2010.03.04

But former CIA officer Robert Grenier says the claim may well be true because of their threats of retaliation over U.S.drone aircraft attacks against the Taliban.

VOA: standard.2010.05.05

But many analysts also say that may be a temporary situation, because they don't expect the measure to be taken up by the full House of Representatives.

VOA: standard.2010.03.19

or the United States," "There well may be a number of people who are considered Taliban because they get paid to fight, because they see no alternative."

VOA: standard.2009.10.12

School is supposed to start in September. But,the agency says 3,700 schools may not be available for classes because they are being used to house 150,000 internally displaced people.

VOA: standard.2009.07.03

While the results may be disappointing, proponents of testing say identifying even a small number of people is worth the effort because early treatment saves lives and can prevent the spread of HIV.

VOA: standard.2010.07.23

"Both this and the previous government made this 'chain of terror' argument where we have to be in Afghanistan to prevent al-Qaida moving from Pakistan back into Afghanistan because that may prevent future terrorist attacks on the streets of London.

VOA: standard.2010.08.04

"We think because of the long term effect of the bone, there may be stress fractures that are not repairing and I think the bone is becoming brittle, and it's not exactly as if it occurs without any warning, but it occurs suddenly with minimal trauma."

VOA: standard.2010.03.14