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Carl Sagan on the Brilliance of Ancient Greek Scientist Eratosthenes

Carl Sagan, the American astronomer, author, and science communicator was renowned for making difficult scientific concepts understandable to the millions; he did exactly this...

How Ancient Greeks Realized the Earth Is Round

Theories depicting the shape of the earth swirled in embryonic form in the minds of Ancient Greek thinkers. By Matthew Norman Many pre-Socratic Greek philosophers were...