Another reason why regular reinterpretation is part of the human sciences and not the natural sciences is that social and political systems are themselves changing in ways that call for new interpretations, whereas the subject matter of the natural sciences is constant in the relevant respects, permitting a puzzle-solving tradition as well as a standing source of revolution-generating anomalies.
A product of the Narodnik (Populist) movement, the party maintained that the peasantry would be the source of social revolution.
"Why is it that in Tunisia, the source of the revolution, these things don't work?" Frustration has grown at the Tunisian government, which has not been able or willing to persuade Saudi Arabia to extradite the former leader.
Studying Britain is important for many reasons, say the academics, from the fact that Britain was the source of the industrial revolution, to the fact that English is so widely spoken, to the continued place of Britain in the world today.
Though no single artist, and certainly no single work, can ever be counted the sole source of an aesthetic revolution, it is hard to imagine the contemporary art cinema without Rossellini — he may not have been the first to point the way, but he was certainly the first to take the heat.
But to judge by dress, behaviour, viewing and consumption habits and even more by the regime's terror of a creeping "Westoxification"—they do admire at least some of America's ways.Not surprisingly, the attitudes of the young are a source of anxiety to the revolution's managers.
At a time when agricultural experts are getting hot under the collar about an Indian village whose claims to be smashing rice-growing records have been extolled here and debunked here, it is useful to have a cool global appraisal of the state of genetically-modified (GM) crops, traditionally seen as most likely source of a new green revolution or (alternatively) as a disaster in embryo.
The steam engine became the universal source of power in the industrial revolution, and in today's digital revolution, the startup stack is emerging as the steam engine for our age.
The business of producing, distributing, selling and taxing salt has been a source of great historical events – of revolutions and wars, construction of huge infrastructure projects and protection of the health and well-being of millions – even billions – people.
Without control of PDVSA, the government's main source of revenue, "there is no revolution," says Alberto Garrido, an author of several books on Mr Chavez.
Her Twitter feed, which has more than 160,000 followers, became popular last year as a source of information on the Egyptian revolution.
