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242 results for “Beauty”
Breast Cancer Genome Guided Therapy Study (BEAUTY)
ClinicalTrials.gov study NCT02022202. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The BEAUTIFUL Study: Effects of Ivabradine in Patients With Stable Coronary Artery Disease and Left Ventricular Systolic Dysfunction
ClinicalTrials.gov study NCT00143507. IPD Sharing: YES. Countries: 1. Publications: 1.
Beauty or function? The opposing effects of natural and sexual selection on cuticular hydrocarbons in male black field crickets
Open the record for dataset details and reuse information.
Beauty is in the eye of the beholder: mate choice in glow-worms depends on perceived, not emitted signals
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FIGURES 2–6 in Rhachiella malawica gen. nov., spec. nov. from Malawi-another beauty of the Afrotropics (Neuroptera: Rhachiberothidae)
FIGURES 2–6. Rhachiella malawica spec. nov. (photos Harald Bruckner, NHMW). 2. Paratype, male, lateral; 3. Paratype, male, head and foreleg, lateral; 4. Paratype, male, distal half of wings; 5. Holotype, male, genital sclerites, lateral; 6. Holotype, male, genital sclerites, ventral. dp: digital process of ectoproct; e: ectoproct; gx 9 + gx 11: fused complexes of gonocoxites 9 and gonocoxites 11; gx 10 + gp 10: fused complexes of gonocoxites 10 and gonapophyses 10; hi: hypandrium internum; pf: penisfilum; S: sternite; T: tergite; ta: tarsus; ti: tibia; tr: trochanter.
FIGURE 2 in Beauty in the eye of the beholder: a new species of gecko (Diplodactylidae Lucasium) from inland north Queensland, Australia
FIGURE 2. Maximum-likelihood phylogeny of Lucasium and related genera inferred with RAxML using mitochondrial ND2 sequences. Lucasium iris sp. nov. is recovered as well-supported and deeply divergent monophyletic lineage. With the exception of Lucasium occultum, all currently recognised species of Lucasium are represented. The genus Diplodactylus is collapsed for graphical purposes. Individuals sequenced herein include the specimen or tissue number after the respective GenBank accession number.
FIGURE 7 in Beauty in the eye of the beholder: a new species of gecko (Diplodactylidae Lucasium) from inland north Queensland, Australia
FIGURE 7. Lucasium iris sp. nov. habitat, showing mixed open woodland on low sandstone ranges; Gilberton Station. Photo: Stephen M. Zozaya.
FIGURE 1 in Beauty in the eye of the beholder: a new species of gecko (Diplodactylidae Lucasium) from inland north Queensland, Australia
FIGURE 1. Main map (A): the known distribution of Lucasium iris sp. nov. The black circle has a 15 km radius around the centroid of the point records of the new species. Modelled area of occupancy (AOO) is shown (dark green), based on 2 km grid squares (see text). The Regional Ecosystems (REs) that underpin the AOO are shown as light green crosshatching, but are clipped to exclude areas where extensive surveying has failed to locate L. iris sp. nov. Top inset (B): broad location within Australia and area enlarged in bottom inset map. Bottom inset (C): regional context for main map (A). Bold black crosses show previous records of Lucasium immaculatum and the bold red cross shows the location of SMZ0452 [MT720722] and QM J96903 [MT720723] (genotyped L. immaculatum) and pre-existing museum specimen QM J60287, discussed in this paper. Some relevant towns and locations are also shown on the inset map. EIU = Einasleigh Uplands bioregion; GUP = Gulf Plains bioregion.
FIGURE 4 in Beauty in the eye of the beholder: a new species of gecko (Diplodactylidae Lucasium) from inland north Queensland, Australia
FIGURE 4. Lucasium iris sp. nov. Holotype (QM J94606), showing contrasting black or very dark brown reticulations over pale blue to silver iris. Photo: Stephen M. Zozaya.
FIGURE 6 in Beauty in the eye of the beholder: a new species of gecko (Diplodactylidae Lucasium) from inland north Queensland, Australia
FIGURE 6. Comparison of Lucasium iris sp. nov. to regionally sympatric ground-dwelling geckos, which could be confused with L. iris sp. nov. Lucasium iris sp. nov. unsampled female (A); Lucasium steindachneri, Gilberton Station (B); Lucasium immaculatum QM J96903, Littleton NP (C); Diplodactylus vittatus, Blackbraes NP (D); Diplodactylus platyurus, Gilberton Station (E); Heteronotia binoei, Gilberton Station (F). Photos: Stephen M. Zozaya (A, C, F); Justin M. Wright (B); Eric Vanderduys (D, E).
FIGURE 3 in Beauty in the eye of the beholder: a new species of gecko (Diplodactylidae Lucasium) from inland north Queensland, Australia
FIGURE 3. Lucasium iris sp. nov., showing typical pattern of a broad, regular to zigzag-edged, pale vertebral stripe with irregular small spots on the lateral surfaces. Holotype QM J96406, female (A); paratype QM J95526, female (B); paratype QM J96407, male (C); paratype QM J88147, subadult male (D); SMZ1327, male, showing unpatterned regenerated tail (E); unsampled female (F). Photos: Stephen M. Zozaya (A, C, E, F); Eric Vanderduys (B, D).
Data from: Beauty in the eyes of the beholders: color vision is tuned to mate preference in the Trinidadian guppy (Poecilia reticulata)
A broad range of animals use visual signals to assess potential mates, and the theory of sensory exploitation suggests variation in visual systems drives mate preference variation due to sensory bias. Trinidadian guppies (Poecilia reticulata), a classic system for studies of the evolution of female mate choice, provide a unique opportunity to test this theory by looking for co-variation in visual tuning, light environment, and mate preferences. Female preference co-evolves with male coloration, such that guppy females from 'low predation' environments have stronger preferences for males with more orange/red coloration than do females from 'high predation' environments. Here we show that color vision also varies across populations, with 'low' predation guppies investing more of their color vision to detect red/orange coloration. In independently colonized watersheds, guppies expressed higher levels of both LWS-1 and LWS-3 (the most abundant LWS opsins) in 'low predation' populations than 'high predation' populations at a time that corresponds to differences in cone cell abundance. We also observed that the frequency of a coding polymorphism differed between high and low predation populations. Together this shows that the variation underlying preference could be explained by simple changes in expression and coding of opsins, providing important candidate genes to investigate the genetic basis of variation in this model system.
Data from: The western spring beauties, Claytonia lanceolata (Montiaceae): a review and revised taxonomy for California
The taxonomic history of Claytonia lanceolata is fraught with confusion. Poor preservation of diagnostic characteristics on museum specimens and incomplete original descriptionsmade from limited reference material have resulted in inadequate characterization of morphological features and geographic distributions, particularly for plants in more xeric areas of California. In this paper, we investigate populations previously thought to belong to C. lanceolata and provide an updated taxonomy for Californian taxa based largely on morphological observations and geographic records. These data are corroborated by evidence of genetic polymorphisms and ecological divergence. Claytonia obovata was synonymized with C. lanceolata in 1966 and remained unrecognized until now because previous treatments misinterpreted morphological variation in C. lanceolata s. s. Claytonia peirsonii is a new combination for a species comprising four subspecies endemic to the Desert Southwest, three of which are new to science. Two new species are described here: Claytonia panamintensis, known in California only from the Panamint Mountains but ranging morewidely across southern Nevada, and Claytonia serpenticola. The latter species shares a similar geographic rangewith C. obovata in the Klamath-Siskiyou region of northern California and southwestern Oregon, and these two occur in close sympatry through much of their respective distributions. We also provide molecular evidence to support retention of the name C. lanceolata for populations in California that do not fall into any of the aforementioned new species or combinations. Taxa accepted in this paper are best distinguished from each other by their habitat (many are apparently edaphic endemics), betalain pigmentation, inflorescence architecture, and morphology of cauline leaves, subterranean stems, and flowers.
Data from: Using deep learning to quantify the beauty of outdoor places
Beautiful outdoor locations are protected by governments and have recently been shown to be associated with better health. But what makes an outdoor space beautiful? Does a beautiful outdoor location differ from an outdoor location that is simply natural? Here, we explore whether ratings of over 200 000 images of Great Britain from the online game Scenic-Or-Not, combined with hundreds of image features extracted using the Places Convolutional Neural Network, might help us understand what beautiful outdoor spaces are composed of. We discover that, as well as natural features such as 'Coast', 'Mountain' and 'Canal Natural', man-made structures such as 'Tower', 'Castle' and 'Viaduct' lead to places being considered more scenic. Importantly, while scenes containing 'Trees' tend to rate highly, places containing more bland natural green features such as 'Grass' and 'Athletic Fields' are considered less scenic. We also find that a neural network can be trained to automatically identify scenic places, and that this network highlights both natural and built locations. Our findings demonstrate how online data combined with neural networks can provide a deeper understanding of what environments we might find beautiful and offer quantitative insights for policymakers charged with design and protection of our built and natural environments.
A long tail of truth and beauty: a simple rule of pattern formation explains symmetry, complexity and beauty in the peacock's tail
<p><span>Darwin's theory of sexual selection by female choice has become a standard explanation for exaggerated sexually dimorphic traits, such as the peacock's (<i>Pavo cristatus</i>) long tail. Eyespot beauty-based female choice requires genetic variation in female preference and the number of eyespots, as well as a genetic correlation between the two. However, little genetic variation has been documented in either of these traits in natural and feral peacock populations. We examined the anatomical plan underlying feather development and discovered that eyespot feather follicles originate in alternating rows of 10/11, which uniquely determines the train's feather complexity, bilateral symmetry, and eyespot arrangement and beauty. This pattern precludes intrinsic variation in eyespot number, resulting in a fixed number of total eyespots in fully mature individuals. Since number of eyespots and tail length are independent traits and function of the age of the animal, the only variation available in these trats is also function of age. We propose an alternate, male drive, hypothesis in which females choose males based on their overall dominance (size, vigour, call, courting), and beauty of the train may (or may not) be a factor in female choice but it cannot affect the train length. This hypothesis can explain all known results. </span></p>
Data from: The design of a beautiful weapon: compensation for opposing sexual selection on a trait with two functions
Male fiddler crabs, genus Uca, have one greatly enlarged claw with which they court females and threaten and fight other males. Longer claws are more effective signals but are thought to be less effective weapons because the relative closing force at the tip of the claw decreases with claw length. We studied claw morphology and fighting in Uca terpsichores and Uca beebei and found a mechanism that may resolve opposing selection for signaling and fighting ability. When males fought they delivered gripping forces not at the tips but at the tubercles on the inner margins of their claws' fingers. As claws grow, these tubercles remain relatively close to the apex of the gape. Consequently, the mechanical advantage that governs the forces that can be delivered at these tubercles decreases only slightly with increasing claw length allowing the claw to be an effective signal and a powerful weapon. Animal weapons are exceptionally diverse in form and detail of armature and the causes of this diversity are poorly understood. We suggest that the designs of weapons may often reflect compensatory patterns of growth and placement of armature that enhances the weapon's overall utility for multiple uses in competition for mates.
FIGURE 8 in A beautiful new yellow salamander, genus Bolitoglossa (Caudata: Plethodontidae), from the northeastern slopes of the Cordillera de Talamanca, Costa Rica
FIGURE 8. Images showing the iridescent green chromatophores in the skin above the eyes and lower eyelids of the holotype of Bolitoglossa aurae sp. nov. Photographs taken by BK.
FIGURE 7 in A beautiful new yellow salamander, genus Bolitoglossa (Caudata: Plethodontidae), from the northeastern slopes of the Cordillera de Talamanca, Costa Rica
FIGURE 7. Images demonstrating the range of metachrosis that was observed in the holotype of Bolitoglossa aurae sp. nov. Photographs taken by BK.
FIGURE 6 in A beautiful new yellow salamander, genus Bolitoglossa (Caudata: Plethodontidae), from the northeastern slopes of the Cordillera de Talamanca, Costa Rica
FIGURE 6. Dorsal (A) and ventral (B) color in life views of the holotype of Bolitoglossa aurae sp. nov. Photographs taken by BK.
FIGURE 5 in A beautiful new yellow salamander, genus Bolitoglossa (Caudata: Plethodontidae), from the northeastern slopes of the Cordillera de Talamanca, Costa Rica
FIGURE 5. Dorsal and ventral views of the right foot (A) and right hand (B) of the holotype of Bolitoglossa aurae sp. nov. Photographs taken by BK.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.