“Sunshine”

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Sunshine on MS

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Sunshine or Shield?

How does the use of a secret vote affect the likelihood that legislators will punish their peers? Two contending arguments exist in the literature: some argue that secret voting may be prejudicial, while others argue that it may help accountability. We address this controversy by analyzing the case of the Brazilian Congress, which uses a sequential combination of open and secret voting procedur...

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Sunshine and multiple sclerosis.

In 1960, Donald Acheson made the seminal observation that the global distribution of multiple sclerosis (MS) may be related to available hours of sunshine; this observation was met with disbelief at the time. However, over the subsequent more than 50 years, it has become clear that he may well be right. The effect of sunlight exposure and subsequent vitamin D production (generated by photolysis...

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ژورنال

عنوان ژورنال: Nature

سال: 1892

ISSN: 0028-0836,1476-4687

DOI: 10.1038/047009a0