Technology has to be invented or adopted.
Australia is the most isolated continent.
I personally am not conscious of my accent.
Biology is the science. Evolution is the concept that makes biology unique.
I'd rather spend my leisure time doing what some people call my work and I call my fun.
Human societies vary in lots of independent factors affecting their openness to innovation.
Why did human development proceed at such different rates on different continents for the last 13,000 years?
We're uncomfortable about considering history as a science. It's classified as a social science, which is considered not quite scientific.
All human societies go through fads in which they temporarily either adopt practices of little use or else abandon practices of considerable use.
Tasmanian history is a study of human isolation unprecedented except in science fiction - namely, complete isolation from other humans for 10,000 years.