منابع مشابه
Germany goes for solar
Albert Einstein discovered the theoretical foundations on which photovoltaic cells are based a hundred years ago — it was a spin-off from his annus mirabilis. Half a century ago, Bell labs built solar cells out of silicon, which soon came to be used in space flight. But the real breakthrough in solar cells was neither theoretical, nor experimental. It was a simple pecuniary reward. Since the 19...
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Why should we know about trends in mortality? Simply, because we want to control them as life expectancy is considered the most relevant health indicator. And here the trouble starts: there are too many determinants aVecting health in diVerent combinations at diVerent historical times. During the cold war the “big simplifiers” used every information to argue in favour of either one system compl...
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We study the determinants of East–West migration within Germany during the period 1990–2006, using administrative data, the German Microcensus and the German Socio-Economic Panel. We find that in addition to income prospects and employment status, two well-known determinants of migration, psychological and social factors play an important role in determining the migration decision. Men and wome...
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The brain iron overload disorders, collectively known as neurodegeneration with brain iron accumulation (NBIA), would seem to be tantalizing targets for chelation therapy. Efforts to lower brain iron in these disorders date back to the 1960s with deferoxamine mesylate, but systemic iron depletion limited its use. With the advent of chelators better able to specifically relieve central nervous s...
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ژورنال
عنوان ژورنال: Genome Biology
سال: 2003
ISSN: 1465-6906
DOI: 10.1186/gb-spotlight-20031127-01