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1Latest research has found that several common flower species have nanoscale ridges on the surface of their petals that meddle with light when viewed from certain angles.
2They found that bees can see the blue halo, and use it as a signal to locate flowers more efficiently.
3By manufacturing artificial surfaces that replicated'blue halos', scientists were able to test the effect on pollinators, in this case foraging bumblebees.
4These nanostructures scatter light particles in the blue to ultraviolet colour spectrum, generating a subtle effect that scientists have christened the'blue halo'.
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