Find out how birds, insects and plants exploit iridescence.
All that glitters
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The natural world is filled with colour, but colours can be produced in different ways. Solid colours are due to chemical pigments, but other colour phenomena, such as iridescence are due to physical structures. Find out how birds, insects and plants exploit iridescence to dazzle sexual partners and intimidate rivals, or even just to make the most of the left-over light that other plants can't use.
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