But they could not rule out the possibility of a smaller effect similar to that seen earlier for strokes.

VOA: special.2009.03.18

Some college presidents and others have suggested that a lower drinking age could have the effect of reducing alcohol abuse.

VOA: special.2009.08.07

Scientists say the auxin has an indirect effect on buds on the side of the stem to prevent branching.

VOA: special.2009.10.13

The scientists investigated the effect of pollution and climate change on what they called the rainforests of the ocean.

VOA: special.2010.08.10

In "Woman and Child Driving" she masters the effect of outdoor light and draws attention to a child's glowing face.

VOA: special.2009.07.12

She says the effect of disease is made worse by the buildup of insect-killing pesticides in bee colonies.

VOA: special.2011.05.24

These areas, called cosmic masers, are rich in gas molecules that have the effect of strengthening radio waves.

VOA: special.2009.01.20

People removed by as much as 3 degrees of separation still had an effect on a person's happiness.

VOA: special.2009.01.21

For that reason, says Mister Stephens, the more someone swears, the less of an effect the words have.

VOA: special.2009.08.18

He says more experiments on different kinds of pain are needed to better understand the effect of swearing.

VOA: special.2009.08.18

The Doppler effect explains changes in the length of light waves or sound waves as they move toward you or away from you.

VOA: special.2009.04.29

A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

His specialty was representing the effect of light on an environment with color and loose brushstrokes.

VOA: special.2010.08.04

His march to the sea had a great, destructive effect on the spirit of the South.

VOA: special.2009.12.03