New study deconstructs Dunbar’s number – yes, you can have more than 150 friends

An individual human can maintain stable social relationships with about 150 people. This is the proposition known as ‘Dunbar’s number’ – that the architecture of the human brain sets an upper limit on

Read more

The coronavirus, mortality and life expectancy

 A demographer calculates how the average life expectancy can be affected In Sweden, we now experience the first pandemic that occurs in a society with modern information technology, and it is also the

Read more