Sometimes that's partly because combining studies increases the number of people participating in the research.

VOA: standard.2010.03.25

Sometimes a person fights a battle that has been decided or keeps arguing a question that has been settled.

VOA: special.2009.07.12

So Los Angeles is sometimes called The Big Orange because of the fruit that grows in that city's warm climate.

VOA: special.2010.01.03

"There is increased evidence that it helps shorten the duration of the common cold sometimes even by two to three days."

VOA: special.2011.04.20

Sometimes,people say something to a friend or family member that they later regret because it hurts that person's feelings.

VOA: special.2010.06.20

Mister Chavez asked that the strikers remain non-violent even though the farm owners and their supporters sometimes used violence.

VOA: special.2009.09.06

These mechanical devices that show the relative placement and movement of the planets and moons are sometimes called orreries.

VOA: special.2010.09.29

Sometimes when one person is speaking, he says the same thing that his friend was going to say.

VOA: special.2010.06.20

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

VOA: special.2010.05.05

Sometimes the birds sat down on the sea in groups, near brown seaweed that rolled on the waves.

VOA: special.2010.03.06

Sometimes,critics may pan a movie or play so severely that no one will go to see it.

VOA: special.2010.04.25

First,people in forced labor situations receive wages that are lower, sometimes far lower, than the market rate.

VOA: special.2009.06.08

Large ships that travel to the area sometimes have accidents resulting in leaks of gasoline or oil.

VOA: special.2009.06.03

The neighbors sometimes talked of the "better days" that little Missus Sommers had known before she had ever thought of being Missus Sommers.

VOA: special.2009.09.05