A FEW years ago Hans Rosling, the celebrated doctor, public educator and professor of international health, was invited to make a presentation at Edinburgh’s Balmoral Hotel. . http://www.heraldscotland.com/news/16222193.The_man_who_took_a_chimp_and_a_banker_and_proved_that_when_it_comes_to_facts_humans_know_nothing/?ref=rss