Last 2011 issue of The Alchemist. Watch out for more in 2012. Meanwhile: an alchemical trick if ever there was one is revealed this week by chemists in Israel who have made insoluble substances soluble while mathematics helps cut costs in tracing black gold. In the wild, The Alchemist also learns why some chilis are so hot and others less pungent and how cockroach sex pheromones might save the woodpecker. Out of this world, Hubble reveals Plutonian chemistry and explains the ruddy embarrassment of this former planet. In Germany, a major award for plastic electronics.