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- Scientists have revealed the secrets of a spectacular African fruit that is more intensely coloured than any previously known biological substance. The fruit's metallic blue hue is produced not by a pigment, but by specialized structures in its cells so century-old specimens still glitter. http://www.nature.com/news/cell-structure-gives-african-fruit-its-iridescent-hue-1.11379 25 comments science
- Scientists shone UV or blue light on 32 different amphibian species including frogs and salamanders. Researchers found all the chosen species were biofluorescent; some had glittering bones or sparkling skin mucus or even urine. This suggests biofluorescence appeared early in amphibian evolution. https://www.nature.com/articles/s41598-020-59528-9 12 comments science