A German inventor created a device in 1846 that allowed for the mass production of colored glass marbles. American manufacturing of marbles boomed in the 1920s, with Ohio becoming a center for ...

Childhood secrets are hiding in the dirt. Months after crops are harvested and fields stripped to bare brown, the slanted rays of morning or evening sunlight fire large circular patterns of crushed ...

Clues on social media are leading tens of thousands of marble hunters to coveted glass spheres in Northern California and beyond. Shayne Sines holds one marble from his vast collection. He is among a ...