Petals produce a 'blue halo' to help bees find flowers

18 Oct 2017

New study finds “messy” microscopic structures on petals of some flowers manipulate light to produce a blue colour effect that is easily seen by bee pollinators. Researchers say these petal grooves evolved independently multiple times across flowering plants, but produce the same result: a floral halo of blue-to-ultraviolet light.

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Study identifies factors linked to dying comfortably for the very old

05 Oct 2017

Very old people are more likely to die comfortably if they die in a care home or at home, compared with dying in a hospital, suggests a new study from the University of Cambridge. Yet while the overwhelming majority of very old people reported symptoms at the end of life such as distress, pain and depression, the study found that these were not always treated effectively.

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