Flowers use “blue halo” to attract bees
The blue light we sometimes see around flowers’ petals is created by tiny ridges with a very specific purpose: to attract pollinators. Ursinia speciosa (Compositae). Taken in the Cambridge University Botanic Garden by Magnus Manske. Color is a strange thing. We don’t often think about it, but color is pretty much leftover radiation – wavelengths that…
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Sure is empty down here...