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Latest Yongsoon Shin Stories

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2005-01-25 07:35:00

YAKIMA, Wash. (AP) -- Researchers at a national science laboratory in south-central Washington have found a way to achieve in days what takes Mother Nature millions of years - converting wood to mineral. The ability to make petrified wood could hold promise for separating industrial chemicals, filtering pollutants and soaking up contamination, said Yongsoon Shin, research scientist at the Pacific Northwest National Laboratory. "Wood petrified is very hard and very porous material - it's not...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.