Source, as I can only assume downvotes because folks think this is bullshit: http://www.scran.ac.uk/packs/exhibitions/learning_materials/webs/40/margarine.htm

Source, as I can only assume downvotes because folks think this is bullshit: http://www.scran.ac.uk/packs/exhibitions/learning_materials/webs/40/margarine.htm http://www.scran.ac.uk/packs/exhibitions/learning_materials/...