An iconic annual gift catalog known for its extravagance has removed the word "Christmas" from its name after a nearly 100-year run. Neiman Marcus' "Christmas Book," in print since 1926 ...

A pair of engineers and a historian have teamed up together to model the means by which the first use of the wheel may have happened. In their paper published in Royal Society Open Science ...

It's possible that the wheel was invented by copper miners in the Carpathian Mountains up to 6,000 years ago, according to a modeling study that uses techniques from structural mechanics.