Pastoralist peoples exploding out of the their lands and conquering farming peoples is a recurring feature of human history.
Articles from Skepticlawyer
This is based on a comment I made here.
The US has a legislated two Party system. (Left-cynics say that if the Soviet Communist Party had divided itself into two wings who disagreed on abortion, it would still be in power.)
This is based on a comment I made here:
Milton Friedman suggested that the pre-1873 mix of silver standard, gold standard, and dual standard countries was possibly more stable than having almost all the major countries on the gold standard. I think he is correct: that international monetary order certainly lasted a lot longer.
A clade is a group of organisms with a common ancestors. Identifying clades in human genetics maps out the ancestry of human groups. Like most genetic analysis of human populations, it is based on identifying