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Science and Technology. Materials science. Don't slag it off. How to make bricks out of industrial waste. BUILDING houses and offices out of toxic waste sounds like a pretty eccentric idea. Yet...

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Science and Technology. Solar heat for oil wells. Mirrors in glasshouses… …can be used to heat stones. THERE is a lot of energy from ancient sunshine stored in the oil that sits below the deserts ...

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Business. Insulting advertisements. Ad hominem. When rudeness sells. THE Israeli government recently raised an interesting question for advertisers: whom can you safely insult? "American Jews" ...

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Business.Schumpeter. How to make college cheaper. Better management would allow American universities to do more with less. DEREK BOK, a former president of Harvard, once observed that “universitie...

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Science and Technology. Racial discrimination in science. A black and white answer. In American science, race affects the chance of getting a grant. YOU might expect that science, particularly Am...

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Business. How to spend it. The tech giant should give cash back to shareholders. NOT long after Steve Jobs died last year, wags eulogised the Apple co-founder with a joke: "Ten years ago we had St...

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Prime numbers. Commercial property has bounced back, but only in the best locations. IN SOME corners of the commercial-property market a slight whiff of self-congratulation is in the air. Doom-lad...

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Science and Technology. Combating addiction. Can a vaccine stop drug abuse? It may be possible to vaccinate people against addictive drugs. THE idea of vaccinating drug addicts against their affli...