History

University of Sheffield

The University of Sheffield is a public research university in Sheffield, South Yorkshire, England. Its history traces back to the foundation of Sheffield Medical School in 1828, Firth College in 1879 and Sheffield Technical School in 1884. University College of Sheffield was subsequently formed by the amalgamation of the three institutions in 1897 and was …

University of Sheffield Read More »

Boring Billion

The Boring Billion, otherwise known as the Barren Billion, the Dullest Time in Earth’s History, and Earth’s Middle Ages, is the time period between 1.8 and 0.8 billion years ago (Gya) spanning the middle Proterozoic eon, characterized by more or less tectonic stability, climatic stasis, and slow biological evolution. Summary It is bordered by two …

Boring Billion Read More »

Minnesota

Minnesota is a state in the upper Midwestern United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.7 million residents. Country United States Admitted to the Union May 11, 1858 (32nd) Capital Saint Paul Largest city Minneapolis Largest metro and urban areas Minneapolis–Saint Paul  Governor Tim Walz   Lieutenant Governor …

Minnesota Read More »

Centerville, Marion County, Ohio

Centerville is an unincorporated community in Prospect Township, Marion County, Ohio, United States. Coordinates: 40°29′41″N 83°14′36″W ZIP code: 43342 Elevation: 942 ft (287 m) It is located about 10 miles (16 km) southwest of Marion at the intersection of Centerville-Green Camp Road and Centerville-Newmans Road. History Centerville was originally laid out by George Clay in …

Centerville, Marion County, Ohio Read More »

Global surveillance disclosures (2013–present)

Ongoing news reports in the international media have revealed operational details about the Anglophone cryptographic agencies’ global surveillance of both foreign and domestic nationals. The reports mostly emanate from a cache of top secret documents leaked by ex-NSA contractor Edward Snowden, which he obtained whilst working for Booz Allen Hamilton, one of the largest contractors …

Global surveillance disclosures (2013–present) Read More »

Ecology

Ecology is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystems, and biosphere level. Ecology overlaps with the closely related sciences of biogeography, evolutionary biology, genetics, ethology and natural history. Ecology is a branch of biology, and it is not synonymous with environmentalism.

Mint (facility)

A mint is an industrial facility that produces coins that may be used as currency. The history of mints is intertwined with the history of coinage. Initially, hammered coinage or cast coinage were the primary methods of coin minting, with manufacturing runs as low as the hundreds or thousands. Coin dies are mass-produced in modern …

Mint (facility) Read More »