But unlike dark energy, there are several ideas about what it might be, and one of them is the subject of a second paper, in Physical Review Letters, by Peter Biermann of the University of Bonn, in Germany, and Alexander Kusenko, of the University of California, Los Angeles.

ECONOMIST: Research from the beginning of time

In one 2009 study from the University of Bonn, in Germany, researchers found that subjects prone to fits of anger had less gray matter in the amygdala, the part of the brain that regulates emotion.

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Commenting on the findings, Christian Elger and Florian Mormann, from the University of Bonn medical centre, described the results as "a major milestone... showing for the first time, to our knowledge that prospective seizure prediction is possible".

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Christian Waldhoff, an expert for constitutional law at Bonn University, said "the rights of the German parliament have been strengthened but without tying the hands of the German government on the European stage".

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Fey was publicly honored by Adenauer, granted an additional 150, 000 marks in restoration money, and nominated for a prestigious university professorship in Bonn, while Malskat was left to drink bottled beer with the masons.

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