These days it's my pacemaker that keeps my pulse racing.

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It was shown by Maurice Wilkins of King's College to James Watson at the Cavendish Laboratory in Cambridge, who said "my mouth fell open and my pulse began to race".

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By midafternoon, I was sweating all over and my pulse was racing, so I decided to rest on a long bench by the wall, but I tripped and fell before I could reach it.

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She took my pulse.

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There was no need: I already knew the pulse of the stationhouse from my visits.

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And you can still participate: I encourage you to visit Global Pulse 2010 and join me and my colleagues from across the government in this conversation over the next few days.

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