Do you think things are getting generally better or worse in the world? Most of us might be surprised to know how much healthier and more prosperous the world is, but in one of my favorite TED talks, Swedish physician Hans Rosling shows just how much better off we are. After watching this, you’ll quote the Beatles: I’ve got to admit it’s getting better, a little better all the time, getting so much better all the time. I’ve just started reading his book Factfulness; knowing what has worked to improve humankind will help us change other systems for the better.