Join Fact Up co-hosts Ian T Day, Chris Gau and Shaun Lowthian as they enter a new year with renewed vigour to take on the biggest and most important theatres of knowledge. This week: coasters! Learn the hidden depths of those essential household items.

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Fact Up! is an improvised character comedy podcast supported by The Free Association theatre in London, UK. Visit thefreeassociation.co.uk for more information on shows and classes.