It would also be helpful in areas like southern Africa, where people often do not show signs of the disease.

VOA: special.2010.04.20

It also provides a good environment for earthworms and other helpful organisms in the soil.

VOA: special.2009.06.30

Binoculars are also very helpful for seeing animals that are far away.

VOA: special.2009.08.19

And everyone here is also extremely helpful." (SPEAKING) Adiba Khan heads the clinic and a team of doctors, nurses and volunteers.

VOA: standard.2010.03.15

But the study also suggests a more low-tech solution might be helpful.

VOA: standard.2010.07.14