Many plants secrete nitrogenous
secondary metabolites known as
alkaloids. Why do they bother? What
evolutionary advantage do such
metabolites offer? Plants cannot run
away or fight back when attacked by
herbivores or microorganisms, nor do
they have immune systems.
The betting-odds, as defined by a scientific ‘consensus’, are that we must cut drastically our carbon emissions or face unparalleled perils. However, it is not a single horse we need to review the pedigree of in making our bets.
After giving a talk on the harms of
drugs to students and researchers,
an eminent emeritus professor of
pharmacology – one who gives
advice to UK government – said
almost in passing that he thought
cannabis possession would be decriminalised
in his lifetime.