One of the key elements of preparing for the World Cup has been acclimatising to the heat which is likely in Brazil.  With talk of water breaks to allow players take on fluids it will be a real boost for the science of hydration and the big brands associated with sports drinks.  Powerade and Coca Cola are the official World Cup partners in the area but Lucozade Sport have been quick out of the blocks setting up a heat zone in London and melting Steven Gerrard as part of their campaign…