Spain’s Prime Minister declared a three period of mourning to mark the Madrid plane crash of 20 August. This reaction to the crash highlights yet again the intractable problem of finding a metric that everyone can agree upon for measuring risk.
The crash was what is sometimes referred to as a low-probability high-impact event. “High impact” [...]

On 11 August the Guardian published an article entitled “Do cyclists really need helmets?” It noted the difference in cycling culture between continental northern Europe and elsewhere. I submitted a letter on the subject that they declined to publish. So I have submitted it to my blog where I have a 100% success rate. 
Do cyclists [...]

My bicycle bombs story (see previous blog and comments - http://john-adams.co.uk/?p=122 ) was also aired on the BBC Today Programme and the BBC World Service on 30 July.
I still haven’t received any convincingly documented case of a bicycle bomb, in the form of the frame packed with explosives, killing anyone anywhere in the world.
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