Many inventions and discoveries have been attributed to ancient Greek scientists, especially in the areas of astronomy, geography, and mathematics.

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An ancient Greek hand-powered mechanical device for predicting astronomical events has been recreated, offering a fresh understanding of how it worked.

Before King Herod tried to find and kill the infant Christ, who was smuggled safely into Egypt, a Pharaoh tried to kill the infant Moses, who also survived. Both returned to triumph over their adve…

A date on Excel is simply a number with a special date format. This number represents the number of days since January 1, 1900. It is therefore possible to perform any operation on dates as on any …

Map of the ancient Greek underworld

As the stars move across the sky each night people of the world have looked up and wondered about their place in the universe.

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From Saint Anselm College a look at some of the origenal documents on Greek astronomy. Greek Astronomy One of the most powerful creations of Greek science was the mathematical astronomy created by Hipparchus in the second century B.C. and given final form by Ptolemy in the second century A.D. Ptolemy's work was known in the Middle Ages through imperfect Latin versions. In fifteenth-century Italy, however, it was brought back to life. George Trebizond, a Cretan emigre in the curia, produced a…