| 08 August 2010

Image: joeshlabotnik, Flickr Back when the bright yellow flowers were still known as Rape or Oilseed rape, Brassica napus produced a bitter oil, unsuitable for human consumption and used mainly to lubricate machines. Canadian researchers bred an edible hybrid known as "Canadian Oilseed, Low-Acid" -- or Canola, for short. Today, Canola oil claims to be one of the healthiest cooking oils, with high Omega-3 levels. Increasing use of C... Read the full story on TreeHugger