Could our household microbes help or harm us?

As scientists keep finding ever more fascinating facts about the invisible housemates that share our homes, we dust off our episode on what might be lurking in quiet household corners or under our beds. Marnie Chesterton reminds us how dust can contain all sorts of secrets about our habits and everyday lives, and Anand Jagatia bravely ventures into parts of our homes that are usually overlooked. He heads out on a microbial safari with expert tour guide Dr Jamie Lorimer from the University of Oxford to find out what kind of creatures are living in our kitchens, bathrooms and gardens - from bacteria normally found in undersea vents popping up in a kettle, to microbes quietly producing tiny nuggets of gold. For so long this hidden world has been one that we’ve routinely exterminated - but should we be exploring it too? Presenters: Marnie Chesterton and Anand Jagatia. Produced by Jen Whyntie for BBC World Service.(Photo: A woman using a damp sponge to clean dust collected on a window sill. Credit: Getty Images)

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