Some technologies we successfully adapt now feel as natural to us as our own hands and eyes On 2 September 2010, Karen Throsby became the 1,153rd person to swim the Channel, taking 16 hours and nine minutes, and keeping herself going on handfuls of jelly babies passed down by her support team. Many Channel swimmers are purists: wetsuits are banned, never mind performance-enhancing drugs. The ...

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Humanity is a work in progress, constantly adding technology | Sarah Bakewell