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Colourful signals have long been implicated as indicators of individual quality in animals. Bare‐skin signals are an understudied aspect of avian colouration compared with plumage studies, despite displaying rapid changes in size and colour in response to different environmental or physiological stressors. Even fewer studies have focused on the underlying histology of these structures and the importance...
Understanding life at the molecular level is inherently difficult, as no precise method can very specifically determine “The activities of life.” The feasibility to observe the activation of life in an organism using molecular information through Raman spectroscopy in various biological systems is investigated in this work. The idea of determining the “dormant” state to the “growing state” state in...