Colour Changes with Caffeine

This initial study outlines the effect on the colour of anthocyanin-containing solutions when mixed with caffeine. Given the diversity of anthocyanin structures available from other vegetables, fruits or flowers, there is great potential for series of open-ended experiments for students in classes or science clubs to investigate.

Drinking Dinosaur Pee?!

It has been claimed that because all water ultimately ends up in the water cycle, we drink water that the dinosaurs peed out. What does chemistry have to say about this assertion?

Chemistry Topics

acids/bases applications of chemistry aqueous solution chemistry Atomic Properties / Structure conductivity consumer chemistry Demonstrations density electrochemistry electrolysis equilibrium Food Science gases General Chemistry Intermolecular Forces kinetics Laboratory Instruction liquids metals noncovalent interactions Outreach oxidation/reduction Oxidation / Reduction Phases / Phase Transitions / Diagrams Physical Chemistry physical properties Polymer Chemistry Public Understanding reactions solids stoichiometry thermodynamics