Hydrogencarbonate indicator is a colourful way to measure carbon dioxide levels in aquatic ecosystems. It is red in equilibrium with atmospheric air, which then transforms into a orange/yellow colour with increased levels of carbon dioxide. As carbon dioxide is removed, it changes from red through magenta to...

On the evening of Wednesday 15th November, a cast of passionate young Thespians from  CIS Primary School performed an abridged version of Hamlet at the Mumford theatre, Cambridge, to a sell-out crowd. The performance was part of the National Schools' Shakespeare Festival, where over 30,000...