the troy ounce is about 10% heavier than the normal ounce; they are still used to weigh gold, silver, and gemstones,

eliminated the male lines of the families. Henry married Elizabeth of York uniting the two royal houses into one represented by Tudor rose

oldest known portable astronomical calendar. It was found 3600 years after being buried near Leipzig, Germany. It contains tin and gold fr

It is the world's largest and oldest ultramarathon race. The Comrades Marathon is ran annually in the KwaZulu-Natal province of South Africa

vertical groove in the middle area of the upper lip, common to many mammals, extending in humans from the nasal septum to the upper lip

being high in sugars which are hygroscopic, very few bacteria and microorganisms can live in the resulting low- moisture environment

Mexican delicacy originated quite by accident in the city of Piedras Negras, Coahuila, Mexico, just over the border from Eagle Pass, Texas

They can remember human faces associated with stressful situations for up to five years and they'll also warn their friends.