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2010-03-02 12:50:00

WEST LAFAYETTE, Ind. - A nanoparticle growing in popularity as a bactericidal agent has been shown to be toxic to fish, according to a Purdue University study. Tested on fathead minnows "“ an organism often used to test the effects of toxicity on aquatic life -- nanosilver suspended in solution proved toxic and even lethal to the minnows. When the nanosilver was allowed to settle, the solution became several times less toxic but still caused malformations in the minnows. "Silver nitrate...


Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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