Soap on the bathroom mirror with a hot shower running; sedatives acting unusually; coffee reduces tiredness but also provides a lick of energy; does a glass of sherry warm you up on a cold night; how do you contract shingles; asian flush; water density experiment for you to try at home; is the conflict in Ukraine speeding up climate change. Dr Chris Smith joins 567 Cape Talk's Lester Kiewit to talk the answers through... Like this podcast? Please help us by supporting the Naked Scientists