Mathematician classifies the table shape

What was Matt Forde’s impression of PMQs?

Why are -13, 36 & 42 the numbers you need to watch?

Does the cabinet table need the changing rooms treatment?

Who will become the MMP for Midlothian?

Matt Chorley brings you the who, what, where, why and when of British politics. If you've got urgent questions... then email Chorley@bbc.co.uk