Conventional explanations for a country’s political system would draw on its history, economy and culture. Randy Thornhill from the University of New Mexico, Albuquerque, however, thinks it might be determined by the threat of disease in a region. This triggers psychological biases, which originally evolved to prevent illness spreading, that also hinder the emergence of democratic ideals. Some support for this idea comes from statistical comparisons of different regions.
More from New Å®ÉúСÊÓÆµ
Explore the latest news, articles and features

Earth
A new tectonic plate boundary could be forming in southern Africa
News

Humans
The story of the first human tool: the humble container
Comment

Technology
Can floating data centres meet AI's huge energy demand?
Analysis

Physics
Where did the laws of physics come from? I think I've found the answer
Features
Popular articles
Trending New Å®ÉúСÊÓÆµ articles
1
Where did the laws of physics come from? I think I've found the answer
2
A lost ancient script reveals how writing as we know it really began
3
Huge study of ancient British DNA reveals only minor Roman influence
4
The mathematician who doesn’t exist
5
Woman in cancer remission without treatment in highly unusual case
6
The story of the first human tool: the humble container
7
Man destined for Alzheimer's may have been saved by accidental therapy
8
Can floating data centres meet AI's huge energy demand?
9
Fire is spreading in the Chernobyl exclusion zone after drone crash
10
Extinct relative of koalas discovered in Western Australia