This is called rotational grazing, and we received a question from Zhang Guohui in China about how it works.

VOA: special.2009.01.06

Here is how it works at London Towne Elementary School in Centreville,Virginia, outside Washington.

VOA: special.2010.06.17

Here is how it works: A person has collapsed unconscious on the ground.

VOA: special.2009.05.20

Here is how it works. A person has collapsed unconscious on the ground.

VOA: special.2009.06.09

And it works! " Delores Clemens says her students also learn how to be good mothers by letting themselves be mothered.

VOA: special.2010.05.13

And now with Antarctic science being really a global science and part of understanding how the world works, it is becoming really vital that everybody works together."

VOA: special.2009.06.03