They hope that future synthetic cells can make useful bacteria for products like bio-fuels or vaccines, and to clean up polluted water.
VOA: special.2010.07.20
Remove dirt from the wound and press on it with a clean cloth or piece of clothing.
VOA: special.2009.08.11
But you can use a swab or cloth to clean the outer part of the ear.
VOA: special.2010.03.31
But it does not keep people from getting health care or clean water to their houses."
VOA: special.2009.11.28
Someone would have to clean the snow off the sidewalk, either him or his father.
VOA: special.2009.03.07
And,for some reason, it could mean to organize,or clean.
VOA: special.2010.03.07
Now UNESCO is warning the Lebanese government to clean up Qadisha or it could be removed from the World Heritage list.
VOA: standard.2010.08.05
Bennett says clean drinking water is the next big concern, especially to prevent an outbreak of diseases such as diarrhea or cholera.
VOA: standard.2010.08.02
She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.
VOA: standard.2010.02.24
He says Iran must come clean about its nuclear program or face the consequences.
VOA: standard.2009.09.25
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