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The Sky Before the Telescope
by Petr Frish
The era of naked-eye astronomy, from the beginning of the human race until the year 1600 A.D., provided mankind with early theories and mythologies of the universe, as well as ways of measuring time. In the final phase of this pre-telescope era, detailed observations of the heavens paved the way for the scientific revolution, during which Earth lost its privileged position as the center of the universe, and became just one of the planets in a vastly expanded space.
by Daniela Carusi, MD, MSc
Miscarriage is an unfortunately common, often traumatic event. Recurrent pregnancy loss can be even more devastating for...
by Russell Potter
Fascinated by exploration of the far north? This knol will tell you something of its history, especially in the...
by Albeiro Rodas
Description of Cambodia, a country in the South East of Asia, in the Indochina Peninsula.
by J. Douglas Hoyes
A consumer proposal is a negotiated settlement between a debtor (the person who owes the money) and their creditors....

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