" Misery is manifold...as the rainbow; its hues are as various as the hues of that arch. "
Edgar Allan Poe

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Peace of Riga between Poland and Soviet Union

When Poland declared its independence in 1918 in the aftermath of WWI, its borders—like many at that time—were not formally determined. By 1920, war had broken out over conflicting expansionist attempts between Soviet Russia and Poland, which wanted its 1772 border restored. The Peace of Riga treaty split contested land between Poland and the Soviets, setting the border and effectively halting Russian expansion into Europe. Where were Poles left on the wrong side of the border sent in the 1930s?

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Evolution of the Peppered Moth

This moth has been the focus of scientific study for centuries, largely because its color changes illustrate one of the best-known models of natural selection. The moth survives by blending in with birch bark to escape the notice of hungry birds. When the Industrial Revolution blackened the trees with soot, dark moths surged in population as birds ate all the suddenly visible light ones. As air quality improved, trees lightened and light-colored moths resurged. What is this phenomenon called?

Born on a day like today

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John Hoyer Updike

Updike was a prolific American author whose novels and stories usually deal with the tensions and frustrations of middle-class life. Published between 1961 and 1990, his four famous "Rabbit" novels follow an ordinary American man through the latter decades of the 20th century. Updike is one of the few authors to have won the Pulitzer Prize for fiction more than once. He was also a respected literary critic who championed young authors and espoused what five rules for literary criticism?

Last updated on Sunday, 18th March 2012

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