Cost Index History Tables The building and construction cost indexes for ENR’s individual cities use the same components and weighting as those for the 20-city national indexes. The city indexes ...

Grab your cue and chalk up – we’re about to take a trip through the history and evolution of the pool table, a journey that spans centuries and continents, tradition, innovation and style.

This story appears in the March/April 2017 issue of National Geographic History magazine ... Hamlet and the planets seem far removed from table manners. But social historians see close links ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...