An insect's-eye view of flowers

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What insects see when they approach a flower is very different from what is visible to the human eye.

Professor Iain Stewart uses an ultra-violet camera to reveal the markings some flowers have developed to attract pollinating insects.

The second episode of How To Grow A Planet will be broadcast on Tuesday 14 February at 21:00 GMT on BBC Two. Watch it later online, see more clips or catch up on the series via iPlayer at the above link.

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