Plant of the Month: Frangipani
An ornamental plant whose white flowers hang over graveyards and temples in Southeast Asia presents complicated questions on national belonging and religious identity.
The Treaty of Guadalupe Hidalgo: Annotated
Signed February 2, 1848, the treaty compelled Mexico to cede 55 percent of its territory, bringing more than 525,000 square miles under US sovereignty.
Plant of the Month: Sunflower
With the invasion of Ukraine, it seemed like sunflowers suddenly appeared on the political landscape. Yet they’ve long held symbolic and economic value in Europe.
St. Patrick’s Day in Prison
Offhand references to St. Patrick’s Day showcase broader humor, humanity, and history in the American Prison Newspapers collection.
The Emancipation Proclamation: Annotated
Abraham Lincoln proclaimed freedom for enslaved people in America on January 1, 1863. Today, we've annotated the Emancipation Proclamation for readers.
The Native American Roots of the US Constitution
The Iroquois, Shawnee, Cherokee, and other political formations generally separated military and civil leadership and guarded certain personal freedoms.
The Nice Married Couple Who Inspired People to ’Shroom
In the 1950s, Gordon and Valentina Wasson encountered magic mushrooms. Then they wouldn't stop talking about them.
Chien-Shiung Wu, the First Lady of Physics
Chien-Shiung Wu disproved a fundamental law of physics—a stunning achievement that helped earn her male colleagues (but not her) a Nobel Prize.
How Charles Keeling Measured the Rise of Carbon Dioxide
The climate scientist created a new method to measure atmospheric carbon dioxide. It's still used today.
