Biological systems are complicated, often unpredictable, as are organisational ones. The Guardian reports a study from Sweden showing there is greater risk than previously thought of tipping points in biological systems being breached, because apparently separate events are often linked. Obvious when you think about it. My relentlessly SME (small manufacturing enterprise) focused brain jumps immediately to the theory of constraints and it’s preoccupation with identifying the primary constraint in any particular system. Like so much scientific endeavour, we tend to look for a single cause when in truth it is almost always a group of causes that needs to …