And then there were three…

Many years ago, in a dark, dark spot in the cave-like aquar ium of Bristol Zoo (Bristol, UK), there stood a long tank containing a beast whose name was far more exciting – as it turned out – than anything I ever saw it do. Visiting schoolchildren would huddle around the tank, daring each other to touch the glass – before eventually becoming disappointed by the motionless creature and moving on. The supposed monster resting underwater among the...