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2010-05-19 14:35:16

Breathing polluted air increases stress on the heart's regulation capacity, up to six hours after inhalation of combustion-related small particles called PM2.5, according to Penn State College of Medicine researchers.


Word of the Day
  • an ornament or knob in the shape of a flower
  • In architecture, a floral ornament; specifically, the large conventional flower usually placed in the center of the abacus of a Corinthian capital or classic ceiling-caisson; also, the floreated termination of a Gothic finial.
[ "The word 'fleuron' comes from French."]