The modern shopping cart — as we know it — didn't always exist, which meant it had to be invented. The How Curious podcast explores the history of the shopping cart. So listen, when I was a kid, I ...

We live in a world shaped by shopping carts. The ubiquitous, unloved contraptions are a key feature of US economy. (Yes, really.) The birth of shopping carts in the early 20th century helped usher in ...