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2,863 results for “Challenge”

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Figure 37 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 37. Claws of Pilatobius oculatus (PCM): A, claws I; B, claws IV (neotype). Scale bars: 10 μm.

opennotspecifiedNov 2023View details →
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Figure 41 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 41. Claws of Pilatobius sexbullatus (PCM): A, claws II (black arrowhead indicates internal bars); B, claws IV (empty arrowhead indicates pseudolunule). Scale bars: 10 μm.

opennotspecifiedNov 2023View details →
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Figure 44. Evolution scheme for a in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 44. Evolution scheme for a tardigrade clade, where the blue triangle and red rectrangle signify newly erected genera ('apical taxa' in the paper by Tumanov and Tsvetkova 2023) with 'strong apomorphies', i.e. the set of well-defined, advanced morphological characters, distinguished from the previous broadly defined genus, whose members (marked with black circles) are still classified as the original genus, which became artificial but cannot be divided further because the lineages group species with mainly (or solely) plesiomorphic characters.

opennotspecifiedNov 2023View details →
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Figure 26 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 26. Detailed morphology of Platicrista carpathica sp. nov. (paratypes, PCM): A, buccopharyngeal apparatus in toto; B, claws I; C, claws II; D, claws III. Empty white arrowheads indicate pseudolunulae; white asterisk indicates internal pulvinus; and black asterisk indicates external pulvinus. Scale bars are in micrometres.

opennotspecifiedNov 2023View details →
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Figure 40 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 40. General morphology of Pilatobius sexbullatus (Ito, 1995) (PCM): A, specimen in toto (dorsal view); B, cuticular sculpturing of the centromedial region with three gibbosities; C, buccopharyngeal apparatus in toto. Scale bars are in micrometres.

opennotspecifiedNov 2023View details →
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Figure 43 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 43. Various Pilatobiinae, morphology of pharyngeal structures (SEM): A, P. oculatus; B, P. bullatus; C, P. ramazzottii; D, P. recamieri (Richters, 1911); E, P. patanei (Binda & Pilato, 1971), lateral view; F, P. patanei, dorsal view. Scale bars: 5 μm.

opennotspecifiedNov 2023View details →
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Figure 12 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 12. Guidettion prorsirostre (Thulin, 1928): A, neotype habitus in ventral view (PCM); B, habitus in lateral view (sensu Thulin); C, Guidettion arduifrons nom. inq., habitus in lateral view (sensu Thulin). Scale bar is in micrometres.

opennotspecifiedNov 2023View details →
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Figure 4 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 4. The Diphascon pingue group, morphology of pharyngeal structures (SEM): A, Diphascon pingue; B, C, Diphascon pinguiforme. Scale bars: 2 μm.

opennotspecifiedNov 2023View details →
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Figure 3 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 3. Various Diphasconinae, morphology of the DABT (SEM): A, Diphascon higginsi Binda, 1971 (dorsal view); B, Diphascon higginsi (lateral view); C, Diphascon pingue (Marcus, 1936) (lateral view); D, Diphascon pinguiforme Pilato & Binda, 1997/8 (dorsolateral view). Scale bars: 1 μm.

opennotspecifiedNov 2023View details →
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Figure 5 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 5. General morphology of Diphascon greveni Dastych, 1984 (PCM, topotypes): A, specimen in toto (ventral view); B, buccopharyngeal apparatus in toto. Scale bars are in micrometres.

opennotspecifiedNov 2023View details →
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Figure 2 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 2. Phylogenetic relationships within Hypsibiidae in the Bayesian and maximum likelihood analyses (identical topologies; the scale refers to the Bayesian tree and represents substitutions per position; posterior probability values are provided above the nodes, whereas bootstrap values can be found below the nodes; *, maximal support; #, no support). Calohypsibius ornatus constitutes an outgroup. Newly added species and populations are in bold.

opennotspecifiedNov 2023View details →
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Figure 1 in What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)

Figure 1. Schematic depiction of six types of cuticular pedal bars and other leg structures found in the Hypsibiidae. Note that the edges of convex pulvini may overlap with fully sclerotized cuticular bars but are generally faint and weakly defined when observed under light microscopy. Historically, these edges of pulvini were sometimes described as 'bars' [e.g. see Dastych (1988) for Adropion belgicae or Gąsiorek et al. (2016) for Mesocrista].

opennotspecifiedNov 2023View details →
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Rock physics models of gas hydrate bearing sediments – the classification, simulation workflow, and challenges

<p>This study reviews the rock physics models for simulating the elastic properties of gas hydrate bearing sediments. Considering that it is confusing to select the appropriate model for a specific study from the various models, we classify the models into five categories according to different principles. We also summarize a general workflow of the modeling process, elaborate the possible models in each step and bring up the potential sources of uncertainties. Besides, we explicate the general problems of the current models and raise several potential research directions. This study provides us a clear view of the rock physics models, the associated uncertainties, as well as the general modeling workflow of gas hydrate bearing sediments, and also provides some implications for future studies.</p>

opencc-by-4.0Oct 2021View details →
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Public attitudes to a human challenge study with SARS-CoV-2: a mixed-methods study

<p>Human challenge studies involve the deliberate exposure of healthy volunteers to an infectious micro-organism in a highly controlled and monitored way. They are used to understand infectious diseases and have contributed to the development of vaccines. In early 2020, the UK started exploring the feasibility of establishing a human challenge study with SARS-CoV-2. Given the significant public interest and the complexity of the potential risks and benefits, it is vital that public views are considered in the design and approval of any such study and that investigators and ethics boards remain accountable to the public.</p> <p>We conducted a mixed methods study comprising online surveys conducted with 2,441 UK adults and in-depth virtual focus groups with 57 UK adults during October 2020 to explore the public&rsquo;s attitudes to a human challenge study with SARS-CoV-2 taking place in the UK.</p> <p>This depositary&nbsp;includes:</p> <ul> <li>Documentation relating to the online surveys; <ul> <li>Survey</li> <li>Animation that survey participants were asked to view</li> <li>Survey wrappers (invitations, participant information sheet and consent, end of survey messages)</li> <li>Survey data (demographic information not included)</li> </ul> </li> <li>Documentation relating to focus groups: <ul> <li>Participant Information Sheet</li> <li>Focus Group Discussion guide</li> </ul> </li> </ul>

opencc-by-4.0Nov 2021View details →
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Figure 6 in The radiation of Satyrini butterflies (Nymphalidae: Satyrinae): a challenge for phylogenetic methods

Figure 6. Chronogram derived from the BEAST analysis with associated posterior credibility intervals. Numbers at the branches are posterior probability values for the node to the left of the number.

opennotspecifiedJan 2011View details →
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Figure 2 in The radiation of Satyrini butterflies (Nymphalidae: Satyrinae): a challenge for phylogenetic methods

Figure 2. Strict consensus of 12 equally parsimonious trees (29 647 steps; consistency index, CI = 0.13; retention index, RI = 0.44) from the maximum parsimony analysis (MP). Numbers given above branches are Bremer support values and the numbers below the branches are partitioned congruence index (PCI) values for the node to the right of the number.

opennotspecifiedJan 2011View details →
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Figure 4 in The radiation of Satyrini butterflies (Nymphalidae: Satyrinae): a challenge for phylogenetic methods

Figure 4. 'Bipartitions tree' obtained from the Maximum Likelihood (ML) analysis in RaxML. Numbers at the branches are bootstrap values for the node to the right of the number.

opennotspecifiedJan 2011View details →
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Figure 5 in The radiation of Satyrini butterflies (Nymphalidae: Satyrinae): a challenge for phylogenetic methods

Figure 5. Majority-rule cladogram based on Bayesian inference (BI), modelled with a GTR + G model. Numbers at the branches are posterior probability values for the node to the right of the number.

opennotspecifiedJan 2011View details →
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Figure 3 in The radiation of Satyrini butterflies (Nymphalidae: Satyrinae): a challenge for phylogenetic methods

Figure 3. Reduced cladograms from (A) maximum parsimony and (B) model-based methods (Bayesian inference and maximum likelihood), showing the incongruent hypotheses of relationships for the subtribes in the Satyrini.

opennotspecifiedJan 2011View details →
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Figure 7 in The radiation of Satyrini butterflies (Nymphalidae: Satyrinae): a challenge for phylogenetic methods

Figure 7. Results of a dispersal–vicariance analysis (DIVA), using three as the maximum number of ancestral areas in the DIVA. The topology of relationships for the out-groups are taken from Peña &amp; Wahlberg (2008). Many terminals that belong to the same subtribe, and are distributed in the same biogeographical area of Figure 1, appear in one leaf: other Hypocystina, Pronophilina clade 1 and Pronophilina clade 2.

opennotspecifiedJan 2011View details →

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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.

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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.

allen-brain-atlas
neuroscienceopenDocumentation, web resources, and API references are available online.
Last verified 2026-04-30Open record

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.

abode-home-cage
behavioral-neuroscienceopenThe DataShare record exposes download links for annotations, documentation, license text, and the zipped per-snippet data directory.
Last verified 2026-04-30Open record

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.

dandi-nwb
electrophysiologyopenPublished Dandiset metadata and archive endpoints are available through the production DANDI API.
Last verified 2026-04-30Open record

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.

ibl
behavioral-neuroscienceopenPublic sessions can be searched and loaded from the IBL public data server through ONE.
Last verified 2026-04-29Open record

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.

openneuro
neuroscienceopenPublished datasets are available on demand over the internet.
Last verified 2026-04-29Open record

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