Here is how they work: Cows are trained to follow a series of paths that lead to milking stations.

VOA: special.2009.05.12

We ask the women how they want the loan program to work, and what's suitable, what is culturally appropriate for the area.

VOA: special.2010.06.16

The kinds of minerals in clay affect how soft or hard it is to work with.

VOA: special.2009.09.09

Swoon likes how her work changes slowly after it is outside for a while.

VOA: special.2009.04.08

"The question,then the question then is how do we work through these conflicts?

VOA: special.2009.06.05

"Is it causing you stress?" "Does that cause you anger? How is that affecting your performance at school or at work?

VOA: standard.2010.07.26

And how we figure that out and how we move in a direction that's both effective and affordable is the work that has to be done over the next two years."

VOA: standard.2010.03.26

The scientists say if their work is confirmed, it could lead to further research on how lifestyle choices figure in the prevention and treatment of age-related decline and diseases such as Alzheimer's.

VOA: standard.2009.12.30

"So it's very much an area where there is potential for this to be very helpful, but still there is still a lot of work to be done to figure how to best do that."

VOA: standard.2010.07.16

"We are going to determine how much food and other products of daily use are needed, whether an international crew is compatible, how people of different cultures, of different training can find common language and work on performing their tasks."

VOA: standard.2010.06.02

"The next thing is to work out how technology can be transferred from rich countries to poor countries and this will involve things like investment in renewable energy, investment in wind power and solar, investment in more efficient power stations,"

VOA: standard.2009.11.04