Profile: John Roberts

This month's letters continue the discussion on the value of the brainteasers in the publication, offer another view on load factors, request that building control records be kept for posterity, and address concrete detailing.

Stephen Hargreaves of insurance broker Griffiths & Armour discusses the recent experiences of UK consultants with regards to liability and contractual terms.

MIT professor Caitlin Mueller gave the keynote presentation at the IStructE Digital Design and Computation conference in May 2021. Here, she tells Jackie Whitelaw how computer tools she’s developing will help structural engineers design for zero carbon