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Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
The undersurface of the tongue is highly vascular
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...