People view the Declaration of Independence and other documents at the National Archives in Washington, D.C.

Travel

Ten of the Most Exciting Ways to Commemorate America’s 250th This Year

Our country’s birthday bash includes exhibitions, historical reenactments, a massive potluck and more

Laura Kiniry

The title page of the collection of Bartholomäus Vogtherr's medical recipes (left) and a page from another medical text called the Kreuterbu[o]ch (right)

Smart News

Renaissance Readers Left Chemical Clues Inside These Medical Manuals. Were They Using Human Feces and Tortoise Shells to Treat Illnesses?