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Early in march the oil market's central banker seemed to go berserk. Saudi Arabia, the most powerful member of the Organisation of the Petroleum Exporting Countries (OPEC), has long adjusted its...

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The next question was what all these genes actually do. Sure enough the answer, for a substantial fraction of them, was that they regulate aspects of the immune system. In particular, low-status indiv...

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Science and Technology. Social status and health. Misery index. Low social status is bad for your health. Biologists are starting to understand why. Once upon a time the overstressed executive b...

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Are SDRS an appropriate crisis-fighting tool? The IMF reports that several poorer countries have called for it, and that members are discussing the idea. Rich countries are offering their citizens ...

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Governments around the world are seeing their finances savaged by the pandemic. And poor ones, who are also suffering from capital flight, are crying out for cash. The IMF, the world's crisis lende...

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All this suggests that the number of infected people unwittingly infecting others could be quite large. What is unclear is how infectious these people actually are. That is what the second stran...

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Few stories are as prominent in the study of infectious diseases as that of Mary Mallon, a cook to wealthy families, and also to a maternity hospital, in New York in the early 1900s. As she went...

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A third theory is that the industry is less competitive than it looks. In most areas a few big brokers handle most transactions. They set high fees, which lure ever more people into the profession: be...