From John Hastings, Whittlesey, Cambridgeshire, UK
After reading Graham Lawton’s worrying column about QAnon conspiracy theories, I suggest we adopt a “reality slogan” to fight back (19 September, p 24). In highlighting the inescapable fact of the laws of nature, physicist Richard Feynman came up with a good one in his report on the Challenger space shuttle disaster: “Nature cannot be fooled.”
