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Biophysics

Biophysics

A flower’s nano-powers

05 Apr 2018
This article first appeared in the April 2018 issue of Physics World

When it comes to shapes and colours, flowers are one of nature’s most praised objects – but there is more to them than meets the eye. Tobias Wenzel and Silvia Vignolini reveal an ingenious strategy flowers use to become coloured and attract pollinators

Photos of a flower, peacock, fern and butterfly
Iridescent nature: Nature is full of structural colours, not just on animals like peacocks and butterflies, but on plants such as flowers and ferns too. (Courtesy: Edwige Moyroud; Lucas Bustamente/Nature PL; Shutterstock/Jakapan Kammanem; Luiz Claudio Marigo/Nature PL)
Have you ever wondered why some butterflies and fruits can shine with a metallic, iridescent blue an

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Tobias Wenzel is a postdoctoral researcher and Silvia Vignolini is a group leader at the University of Cambridge, UK, e-mail tw347@cam.ac.uk and sv319@cam.ac.uk
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