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Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.
In 1975 the Bell Biker revolutionised the cycle helmet. A tough plastic shell with a liner of compressible expanded-polystyrene foam, it was a vast improvement on clunky repurposed motorbike hard hats or the padded-leather scrum caps that had been in vogue. Since then, remarkably little has changed. Materials have improved and innovations such as MIPS (helping to…

