Contents
Features
Science for Art p. 10
The Scientific Life of John F. Kennedy p. 18
Top 13 Scientific Discoveries of 2013 p. 24
Exloring the Winter Skies p. 36
Departments
Next Up p. 9
Advances p. 6
Editorial p. 4
Under the Scope p. 16
Profile- Elon Musk p. 34
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