Investigating iridescence: BBC4's Colour series comes to the Garden

BBC4's current series on Colour, presented by Dr Helen Czerski, came to the Garden to talk to Professor Beverley Glover about how and why some plants produce iridescent flowers
We live in a world ablaze with colour. Rainbows and rainforests, oceans and humanity, earth is the most colourful place we know of. But the colours we see are far more complex and fascinating than they appear. In this new series, Dr Helen Czerski uncovers what colour is, how it works, and how it has written the story of our planet - from the colours that transformed a dull ball of rock into a vivid jewel to the colours that life has used to survive and thrive.

In Episode 2, Colours of Life, Professor Glover's bees behave impeccably in their flight arena to show that iridescent flowers are easier to see and find than non-iridescent flowers and the Garden's Temperate House provides the perfect canvas for Dr Czerski to explain how different surface cell structures, whether animal or vegetable, can produce iridescence.

To watch the episode on BBC i-player, click on the link to the left. The Garden starts to star at around 45 minutes in!
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