Oil refineries underestimate release of emissions, study says Test facility spewed 19 times more cancer-causing benzene than it reported By MARTIN MITTELSTAEDT  -- A study by the Alberta Research Council that investigated the plume of contaminants emanating from a Canadian oil refinery using high-tech sniffing equipment found the facility dramatically underestimated its releases of dangerous air pollutants.  FULL STORY

COLLECTED WISDOM ANSWERS TO ALL MANNER OF QUESTIONS By PHILIP JACKMAN  -- Come with Collected Wisdom now as we don our hat, goggles and motoring gloves and head for the open road. And before you get in, would you mind crank-starting the engine?  FULL STORY

Urine test may screen mad-cow disease By CHINTA PUXLEY  WINNIPEG -- The discovery of elevated protein levels in the urine of some cattle with mad-cow disease raises the possibility that animals could eventually be screened using a method similar to a home pregnancy testing.  FULL STORY