3. This apparently is a thing.
4. Your Presidents’ Day dose of Theodore Roosevelt.
5. Today is the 50th anniversary of the flight of Friendship 7.
6. George Washington wasn’t America’s first president.
8. An important anniversary for Swan Lake.
10. Making art out of coffee ring stains.
14. On Ben Jonson.
15. How to shake hands like Jeremy Lin.
16. Could you get a job with Thomas Edison?
17. New York has the most unusual libraries.