Science + Letters

Letter: Asked to generate a story from an English translation of a letter in Welsh published in the Guardian, the AI chatbot came up with a lot of twaddle, reports Fiona Collins

Letters: Film-makers should retire the cliche of the lone male scientific genius, says Rachel Youngman of the Institute of Physics

Letters: Doctor Kelly Fearnley and an immunocompromised patient respond to Dr Jack Pickard’s letter calling for an end to the requirement for mask-wearing in all clinical areas

Letter: Dodo historian Anthony Cheke responds to scientists’ plans to bring the creature back to life, and wonders whether it is possible to create a safe habitat in which the birds could thrive

Letters: The decision to stop reporting the Covid growth rate is the latest in a series of attempts to limit the available information about the current spread, writes Dr Brian Ramsden, while Susan Treagus has been keeping a Covid diary

Letters: Ian Rappel says we should welcome the inclusion of agroecology in the targets agreed in Montreal, and Sophie Dembinski says developing the legal and regulatory framework for the environment is key

Letter: A memorial at Bletchley Park honours their contribution to winning the war, says Michael Saunders

Brief letters: Housework and gender | Navigational errors | Extraterrestrial researchers | Long reads book | Hardly hardy | Cartoon praise