Should I Let the Dog Lick My Wounds?

Ask the Naked Scientists

English - July 15, 2011 19:13 - 23 minutes - 10.9 MB - ★★★★★ - 60 ratings
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This week - Will wounds heal quicker if licked by a dog? Why does flying cause earaches? How do gas masks work? Why don't continuous rails buckle in the heat? Why do egg shells come in different colours? Dr Chris joins Redi to discuss all of these and more... Like this podcast? Please help us by supporting the Naked Scientists