一般注記Two's company, three's a crowd -- It's a small world after all -- Monkey business -- Independence day -- Rugby and relativity -- Wagons roll -- A sense of proportion -- Why does the other queue always move faster? -- Pylon of the month -- A sense of balance -- Bridging that gap -- On the cards -- Tally ho -- Relationships -- Racing certainties -- High jumping -- Superficiality -- VAT in eternity -- Living in a simulation -- Emergence -- How to push a car -- Positive feedback -- The drunkard's walk -- Faking it -- The flaw of averages -- The origami of the universe -- Easy and hard problems -- Is this a record? -- A do-it-yourself lottery -- I do not believe it! -- Flash fires -- The secretary problem -- Fair divorce settlements: the win-win solution -- Many happy returns -- Tilting at windmills -- Verbal conjuring -- Financial investment with time travellers -- A thought for your pennies -- Breaking the law of averages -- How long are things likely to survive? - A president who preferred the triangle to the pentagon -- Secret codes in your pocket -- I've got a terrible memory for names -- Calculus makes you live longer -- Getting in a flap -- Your number's up -- Double your money -- Some reflections on faces -- The most infamous mathematician -- Roller coasters and motorway junctions --
Previously published: 2009.