There is an old puzzle about a ship whose planks are replaced one at a time until none of the original timber remains, and the question of whether it is…
Source: Wikipedia
There is a difference between a chronicle and a survey, and it is the difference between knowing what somebody thought was important and knowing what was there.
Chronicles record…
Source: Wikipedia
Most archaeological finds are objects. Something survives, it is recovered, and it can be examined, measured and displayed.
Occasionally the significant find is not an object at all but…
Source: Wikipedia
Most ancient monuments survive because they are made of something durable. Stone lasts. Metal lasts. Fired clay lasts. Their survival requires nothing from anybody.
There is a category of…
Almost none of these are about a single person doing a small thing. They are about what a small thing becomes when several million people do it in a year.…
Source: Wikipedia
Ask Americans to name the great migrations that built the country and you'll hear about Ellis Island, the Oregon Trail, the Great Migration north. Almost nobody mentions the trains…