Call me a peddler of conspiracy theories if you like, but I have had a good look at that piece of silver paper on Mars and it looks very much like a KitKat wrapper to me (Nasa rover sighting reignites fears about human space debris, 16 June).
David Gerrard
Hove, East Sussex
• If we’re having a good clearout, why not really go for it (‘No ethics at No 10’: Boris Johnson considers scrapping Lord Geidt’s role, 16 June)? There’s lots more we could chuck: referees, traffic wardens, HMRC, the judiciary. Oh, and most of all, that pesky little voice, conscience.
Jenny O’Shea
London
• Someone should tell Helen Hurford, the Tory candidate in the Tiverton and Honiton byelection (Report, 17 June), that it is not for the offender to say when to “move on” (from Partygate). Rather, that is in the remit of the offended.
Glenn Hackney
Burnham-on-Crouch, Essex
• Given the state of our airports, the Russian spy apprehended trying to make a quick getaway from Gatwick (Report, 15 June) must have had a remarkably poor intelligence network.
Tom Stubbs
Surbiton, London
• The “huge face” carved on the tree in Blean Woods with foliage growing from its eyes and nostrils (A great walk to a great pub: The Tyler’s Kiln, Canterbury, Kent, 10 June) looks like a Green Man, a pagan image often found in ancient churches.
Marie Paterson
Nuneaton, Warwickshire
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