I have decided to start an occasional series of brief posts simply stating reasons to be cheerful. There is a lot of negativity in the world, but not everything need be like that. We can and should be hopeful.
In this five minute video, Professor Hans Rosling uses complicated mathematics and computer technology to tell an impressively easy to understand story. It is the story of 200 countries over 200 years, but it’s told in 4 minutes with statistics. And it makes me smile.