The virus is commonly called swine flu because it contains some genetic material from pigs.

VOA: special.2009.05.06

That includes giving new consideration to an old idea -- charging for at least some of the material that most papers now publish online for free.

VOA: special.2009.04.20

In some countries, costly repairs were made on many buildings to remove the material.

VOA: special.2009.11.17

You can also perform a test. Take some of the material and add enough water to it to make it seem like you are making bread.

VOA: special.2009.09.14

Some people praised it as a wonder material.

VOA: special.2009.11.17

Then,mix in some plant material or animal fertilizer.

VOA: special.2009.02.24