pyrene :

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  • n  a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
  • n  the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it

  • A color-coded map showed the worst problems: pink for lead and arsenic, green for petroleum and purple for benzo(a)pyrene, a carcinogenic by-product of garbage incineration.
News & Articles

  • Determining The Role Of Chemicals Found In Secondhand Smoke
    April Flowers for - Your Universe Online Scientists have known for a while that tobacco smoke, diesel exhaust and oil combustion are sources of polycyclic aromatic hydrocarbons (PAHs) that are known to cause cancer. The vast majority of research attention has been paid to the obviously dangerous high-molecular-weight PAHs like benzo[a]pyrene (BaP). The low-molecular-weight variety ...
    June 26, 2013 - redOrbit

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