As a youngster he dabbled in science and devised a system of colour photography.

ECONOMIST: Robert Borkenstein

The US system of colour-coded security alerts may be scrapped under new plans being drawn up by security officials.

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Using an elaborate system of colour-coded boxes to convey over 170, 000 meals to their destinations each day, the 5, 000-strong dabbawala collective has built up an extraordinary reputation for the speed and accuracy of its deliveries.

ECONOMIST: Management trends

The system, which combines light, colour and rendering in one, was used in the likes of Shrek and Madagascar.

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And the DJ system boasts all of their favourite features, including sample banks, Sound Colour Filters and rekordbox quantized beat sync.

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The test system includes the six DNA markers previously used in a test for eye colour known as Irisplex, combining them with predictive markers for hair.

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