99% Invisible Roman Mars

Hanko are the carved stamp seals that people in Japan often use in place of signatures. Hanko seals are made from materials ranging from plastic to jade and are about the size of a tube of lipstick

Throughout its reign, the British Empire stole a lot of stuff. Today those objects are housed in genteel institutions across the UK and the world. They usually come with polite plaques. The Australian podcast Stuff the British Stole is a six episode series about the not-so-polite history behind a few of those objects.

Every year, fights break out on airplanes. Jim Salzman and Michael Heller are law professors and the authors of a new book called Mine! How the Hidden Rules of Ownership Control Our Lives. According to Salzman and Heller, confusing ownership rules are often the result of poor ownership design. This is true not just for airplane seats, but also for battles over digital privacy, climate change, and wealth inequality.

In the United Kingdom, the freedom to walk through private land is known as “the right to roam.” The movement to win this right was started in the 1930s by a rebellious group of young people who called themselves “ramblers” and spent their days working in the factories of Manchester, England.

The Red, Black, and Green flag was invented to unite Black people all over the world living under racial repression.

Good Luck Flags and the search for the perfect flag for Antarctica