The incident, known as the Ludlow Massacre, occured in April of 1914, and it sparked a 10-day battle in the coalfields of the American West. It was the bloodiest episode in the history of American class conflict, and the closest thing to war between compatriots since the Confederacy was defeated a half-century earlier.
Source: timeline.com
Last spring, the geobiologist Dominic Papineau and colleagues reported that fossilised microorganisms were identified in 3.77-4.28-billion-year-old iron-rich rock in Quebec: hematite tubes and filaments whose appearance is similar to microorganisms that today live in hydrothermal vents. Others dismissed their findings as ‘dubiofossils’, a term the geologist Hans Hofmann coined in 1972 to describe controversial fossils. ‘Fossils,’ Hofmann wrote, were proven biological; ‘pseudofossils’ resembled life but were inorganic; ‘dubiofossils’ (also known as Problematica or Miscellanea) were equivocal.
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Geneticist David Reich used to study the living, but now he studies the dead. The precipitating event came in the form of 40,000-year-old Neanderthal bones found in a Croatian cave. So well-preserved were the bones that they yielded enough DNA for sequencing, and it became Reich’s job in 2007 to analyze the DNA for signs that Neanderthals interbred with humans—a idea he was “deeply suspicious” of at the time.
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