For a specific sector of the population, the mention of Powerpoint presentations brings up memories of GCSE IT classes; of those times spent, aged fifteen or sixteen, completing simple and apparently useless tasks on software barely grasped by the teachers. This generation no doubt thinks back to making sales presentations for made-up companies for whom [...]

The corrosive effect of the sun has become more and more well-documented, and indeed more pronounced, over recent decades. This is not only for its corrosive effect upon human skin, but upon the planet, as the ozone layer thins and greenhouse gases warm up the atmosphere. Even the less crucial effects of sunlight, such as [...]