The game of cooties lets children learn about the idea of contagion, but kid culture and wordplay aren't meant for adults.
In the nineteenth century, enterprising toymakers developed a novel way to bring theater into the home.
The St. Cuthbert Gospel is the earliest surviving intact European book. Some time around 698, it was slipped into the coffin of a saint.
The internet has played a large role in fostering intense fan communities. But are these high-octane, super-specific interests healthy? Or...interesting?