BBC Two of competition since ITV's launch in 1955, and both had aimed for a populist approach in response. The 1962 Pilkington Report on the future of broadcasting noticed this, and that ITV lacked any serious programming. It therefore decided that Britain's third television station should be awarded to the BBC. Prior to its launch, the new BBC2 was promoted on the BBC Television Service: the soon to be renamed BBC1. The animated adverts featured the campaign mascots "Hullabaloo", a mother kangaroo, and "Custard", her joey. Prior to, and several years after, the channel's formal launch, the channel broadcast "Trade Test Transmissions",
Custard the other hand, a suspension of uncooked imitation custard powder (starch) in water, with the proper proportions, has the opposite rheological property: it is negative thixotropic, or dilatant, allowing the demonstration of "walking on custard"; see the physical properties of custard powder. Eggs contain the proteins necessary for the gel structure to form, and emulsifiers to maintain the structure. Egg yolk also contains enzymes like amylase, which can break down added starch. This enzyme activity contributes to the overall thinning of custard in the mouth. Egg yolk lecithin also helps to maintain the milk-egg interface. The proteins in egg whites