Citius, altius, fortius. In this fascinating Ted Talk, David Epstein examines just how much faster, higher and stronger humans have become over the last century. Usain Bolt is faster than Jesse Owens was, for example.
Or is he? The truth might be more complicated.
When you look at sporting achievements over the last decades, it seems like humans have gotten faster, better and stronger in nearly every way. Yet as David Epstein points out in this delightfully counter-intuitive talk, we might want to lay off the self-congratulation.