Ring-fenced banks would also be prohibited from carrying out a range of investment and wholesale banking activities, including the sale of complex derivatives, which are highly complicated contracts designed to hedge borrowers against certain risks but can lead to heavy losses if they go sour.

BBC: Business

And, while copia and its close relatives are not normally found in anything with more backbone than a reptile, its activities may hold clues about the behaviour of some of the other, more complicated, transposable elements that are found in those more complicated vertebrates, the mammals and the birds.

ECONOMIST: Truly selfish genes

Our complicated income tax system favors special interests and cronies and causes our economic resources to be diverted to activities with low rates of return.

FORBES: The Jobs Speech Obama Should Give, But Won't