Stripes disrupt odour attractiveness to biting horseflies: battle between ammonia, CO₂, and colour pattern for dominance in the sensory systems of host-seeking tabanids. [PDF]
As with mosquitoes, female tabanid flies search for mammalian hosts by visual and olfactory cues, because they require a blood meal before being able to produce and lay eggs. Polarotactic tabanid flies find striped or spotted patterns with intensity and/or polarisation modulation visually less attractive than homogeneous white, brown or black targets ...
Miklós, Blahó +5 more
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To investigate how basic aspects of perception are shaped by acquired knowledge about the world, we assessed colour perception and cognition in patients with semantic dementia (SD), a disorder that progressively erodes conceptual knowledge. We observed a previously undocumented pattern of impairment to colour perception and cognition characterized by: (
Rogers, Timothy T. +2 more
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Coevolution in Action: Disruptive Selection on Egg Colour in an Avian Brood Parasite and Its Host
Trait polymorphism can evolve as a consequence of frequency-dependent selection. Coevolutionary interactions between hosts and parasites may lead to selection on both to evolve extreme phenotypes deviating from the norm, through disruptive selection.Here, we show through detailed field studies and experimental procedures that the ashy-throated ...
Yang, Chanchao +10 more
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What Did Disruptive Students Say They Wanted From Their Classes? A Survey of Student Voices [PDF]
This paper draws on data from over 60 students in order to find out how disruptive students viewed disrupted classes. The purpose of this research was to prepare training for tutors who were finding disruptive classes difficult to teach.
Lebor, Merv, Merv Lebor
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Uropygial gland and bib colouration in the house sparrow [PDF]
Birds frequently signal different qualities by plumage colouration, mainly during mating. However, plumage colouration is determined during the moult, and therefore it would indicate the quality of individual birds during the moult, not its current ...
Gregorio Moreno-Rueda
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Edge enhancement improves disruptive camouflage by emphasising false edges and creating pictorial relief [PDF]
Disruptive colouration is a visual camouflage composed of false edges and boundaries. Many disruptively camouflaged animals feature enhanced edges; light patches are surrounded by a lighter outline and/or a dark patches are surrounded by a darker outline.
Egan, John +6 more
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Covalent polyester colouration by in situ chromophore creation [PDF]
The permanent colouration of a polyester by straightforward azo coupling is disclosed. Uniquely, the chromophore is created only upon successful polymer modification with a non-coloured molecule (in situ colouration), which confirms successful polymer ...
Rowley, JV +5 more
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Abstract Many theoretical studies have suggested that disruptive selection plays an important role in phenotypic divergence, but few studies have determined the action of disruptive selection on phenotypic divergence via field studies.
Shun Ito, Junji Konuma
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Colourful Disruptions: Mapping the Multifactorial Landscape of International Biopolitics
RESEARCH OBJECTIVE: The research aims to explore the evolution and multifactorial determinants of international biopolitics, emphasizing how global governance shapes biological life across borders. THE RESEARCH PROBLEMS AND METHODS: The study investigates international biopolitics as governance increasingly transitions from national to supranational ...
Wojciech Zysk, Marcin Gryczka
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Disruption of a
Summary In Brassica napus , yellow petals had a much higher content of carotenoids than white petals present in a small number of lines, with violaxanthin identified as the major ...
Bao Zhang +7 more
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