default_scope

class Foo < ActiveRecord::Base
  include Models::Scopes::Order

  default_scope recently_updated # didn't realize you could do this
end

extracted_scopes

module Models
  module Scopes
    module Order
      extend ActiveSupport::Concern

      included do
        scope :recently_created, order('created_at DESC')
        scope :recently_updated, order('updated_at DESC')
      end 
    end 
  end 
end