For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.

VOA: special.2010.07.21

The art slowly disappears because of the effects of time, sun and rain.

VOA: special.2009.04.08

The outbreak of swine flu in Mexico comes at a time when the country is already struggling with the effects of the worldwide economic recession and some loss of tourism caused by drug violence in cities like Juarez.

VOA: standard.2009.04.30

In the study,patients who received lower doses of steroids by mouth spent less time in the hospital, and their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs, was reduced.

VOA: standard.2010.06.21