Biofuel consumption may be as simple as throwing a log on a fire or as complex as burning a combustible gas derived from plant matter in a combined-cycle electricity-generating unit.
For anything less complicated than legal brain surgery, it seems, big companies are increasingly willing to give medium-sized law firms from out of town a chance.
All of life and human relations have become so incomprehensibly complex that, when you think about it, it becomes terrifying and your heart stands still.
When initial repairs are inadequate, therefore, it is not because the mechanics lack competence; rather, there is clearly a level of focused concentration that complex repairs require.
In his view, ageing is about the accumulation of damage, and is not under tight genetic control. Sirtuins will, he says, probably be but a small part of a more complicated picture.