To complete the argument for prior fitness of the elements for our Privileged Species, we must deal with the availability of another essential element.
There are hundreds of these structures. They extend over much of the Middle East: Syria, Jordan, Saudi Arabia, and Yemen.
Evolutionary anthropologists will have to drastically revise the timeline of the first human arrivals in North America.
The laws of physics constrain what can happen, but not how it happens. Biological designs show expertise in the use of forces for function.