Metamathematics is the study of mathematics itself using mathematical methods.

The following year, the Portuguese constitution was amended to change the status of the colonies to overseas provinces.

During times of conflict, opposition has been particularly vehement as people are more likely to call on the supernatural realm.

Those of us who enjoy the advantages of life in the relatively prosperous and 'civilized' corners of this world are not as sensitive as we believe to the injustice beyond our borders.

He observed that the exposed chemical would sometimes take on a pale version of the color of light that exposed it, and also reported the action of light for a considerable distance beyond the violet end of the spectrum.

Research published in July 2009 by the University of Cambridge and the University of Birmingham in England showed that electrons could jump past each other by quantum tunneling, and in order to do so will separate into two particles, named spinons and holons by the researchers.