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Apr 29, 2011 02:50 PM ET // Jennifer Viegas
Remains of the oldest known Caspian horse, otherwise referred to as the "Kings' horse," date back to more than 3,000 years ago.
Aug 24, 2010 08:50 PM ET // Jennifer Viegas
The word "horsepower" today describes the output of engines, electric motors and other machinery, but naturalist Mark Fraser takes us back to the word's more literal meaning, when horses really did power many human machines and activities.