They were fun to read. Yet his books sometimes dealt with serious subjects including equality, responsibility and protecting the environment.

VOA: special.2010.05.02

But experts say the recession has not cut enrollment in four-year programs, even with their higher sometimes much higher -- costs.

VOA: special.2009.11.19

People who have lost their ability to do many things are sometimes able to regain some of these abilities with treatment.

VOA: special.2010.11.02

Investigators sometimes use chemicals and special lighting to uncover fingerprints that cannot be seen with the eye alone.

VOA: special.2010.05.05

Sometimes a difference in spelling can identify whether the person with the name is male or female.

VOA: special.2009.07.06

And because she is so important, she sometimes gets to rub shoulders with the top officials.

VOA: special.2010.01.24

Sometimes a person with his head in the clouds can be brought back to reality.

VOA: special.2009.03.08

Sometimes he has had to be treated with a combination of drugs in a hospital.

VOA: special.2010.03.30

Yet,when a musician played with Duke Ellington, he usually stayed, sometimes for many years.

VOA: special.2010.08.15

The president would sometimes watch the wagons arriving with soldiers wounded in the war.

VOA: special.2010.05.10

Sometimes a person has a bad or unpleasant experience with another person.

VOA: special.2010.06.20

Sometimes,a cat likes to play with a small animal it catches.

VOA: special.2009.09.27

Sometimes,the melted rock comes out with a great burst of pressure.

VOA: special.2010.01.12

Small children sometimes stand with their parents on the treadles.

VOA: special.2009.08.17