The Intelligence: The Evolution of Speed

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Genetic improvements have accounted for in sprint races at least, more than half of the increase in speed seen over the time period studied. So if the notion before was that speeds weren't increasing because the genetic selection had done all the good work it could, this seems to suggest that there's more and the tank, horses could go faster.

They lead startups, giant corporations, even countries: people of Indian origin are finding great success outside their home country—and wielding much influence inside it. On its 30th anniversary we revisit Derek Jarman’s film “Blue”, finding it to be a sound-design masterpiece as much as a daring cinematographic experiment. And examining whether breeding racehorses has hit a genetic limit of speed.

Additional audio taken from Blue Now featuring: Joelle Taylor, Russell Tovey, Jay Bernard, Neil Bartlett. Sound/music: Simon Fisher Turner

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