Similarly, lions might be a good model for electronic systems that need to see in a desert.
"We have the highest number of structurally deficient bridges in the country, miles and miles of highway that need repair and public transit systems that need support".
The ATI Radeon HD 4800 X2 Series is intended for computer systems that need constantly updated graphics, like computer animation or laboratory analysis or, increasingly, video games.
"It's very difficult to raise private money for the guts of a renovation: plumbing, new roofs, all the systems that need to be repaired," Ms. Raab said.
But government can only do so much, since most of the networks and systems that need to be protected are in private hands, Mr. Clarke observed.
It is national labour and product markets that need liberalisation, just as it is national welfare and pension systems that need reform.
It "is not only the schools and public transit systems that need upgrades, the health system needs too," Adriane in De Paula, Brazil, wrote.
Other school systems that need to be transformed might consider looking at Baltimore's example for what works and what could be replicated.
Just because these are specialised systems that need a high degree of skill to attack, does not mean well organised groups are not going to invest the effort in disrupting such critical resources as power generation or transmission.
The system faces an annual operating shortfall of some $600 million and an $8 billion backlog in deferred maintenance — roads, bridges, outbuildings and sewer systems that need repair — resulting from years of underfinancing.
That is a little-known fact that most migrants from Africa are very, very educated, but they haven't got the opportunities to exercise their skills, so for the brains there to contribute to development there are systems that need to be changed.
