The wagon—and the wagon wheel—could not have been put together in stages. Either it works, or it doesn’t. And it enabled humans to spread rapidly into huge parts of the world.

Now, a collection of perforated pebbles found in the Nahal-Ein Gev II dig site in northern Israel, pushes the essential invention’s founding to about 12,000 years ago — essentially doubling the time ...

A Salute to the Wheel Always cited as the hallmark of man’s innovation, here is the real story behind the wheel – from its origins to its reinvention ...