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210 results for “climb”
Failure without tears: Two-step attachment in a climbing cactus
<p>Climbing plants can be extremely adaptable to diverse habitats and capable of colonizing perturbed, unstructured and even moving environments. The timing of the attachment process, whether instantaneous (e.g., a pre-formed hook) or slow (growth process) crucially depends on the environmental context and the evolutionary history of the group concerned. We observed how spines and adhesive roots develop and tested their mechanical strength in the climbing cactus <em>Selenicereus setaceus</em> (Cactaceae) in its natural habitat. Spines are formed on the edges of the triangular cross section of the climbing stem and originate in soft axillary buds (areoles). Roots are formed in the inner hard core of the stem (wood cylinder) and grow via tunnelling through soft tissue, emerging from the outer skin. We measured maximal spine strength and root strength via simple tensile tests using a field measuring Instron device. Spine and root strengths differ, and this has a biological significance for the support of the stem. Our measurements indicate that the measured mean strength of a single spine could theoretically support an average force of 2.8 N. This corresponds to an equivalent stem length of 2.62 m (mass of 285 g). The measured mean strength of root could theoretically support an average of 13.71 N. This corresponds to a stem length of 12.91 m (mass of 1398 g). We introduce the notion of two-step attachment in climbing plants. In this cactus, the first step deploys hooks to attach to a substrate; this process is instantaneous and is highly adapted for moving environments. The second step involves root growth for more solid attachment to the substrate; this process involves “slow” root growth and adhesion. The advantage of the two-step strategy is that fast hook attachment can steady the plant for the slower root attachment. This strategy is effective in highly variable and heterogeneous environments when climbing plants are faced with constant moving and perturbed environmental conditions in many ecosystems. We discuss how two-step mechanisms are of interest for technical anchoring applications particularly for “soft-bodied” artefacts, which have to deploy hard and stiff materials originating from a soft compliant body and where tasks involving attachment take place in highly unstable and unpredictable environments.</p>
Which bridge to cross, which mountain to climb – supramolecular photocatalysis outpacing conventional catalysis
<p>The file contains all raw data for the manuscript entitled "Which bridge to cross, which mountain to climb – supramolecular photocatalysis outpacing conventional catalysis" (i.e. Figs. 3-10).</p>
Microspines in tropical climbing plants: a small-scale fix for life in an obstacle course
<p>This dataset is associated to the original research article "Microspines in tropical climbing plants: a small-scale fix for life in an obstacle course" published in the Journal of Experimental Botany. </p> <table> <tbody> <tr> <td>Variable</td> <td>Description</td> <td>Type of variable</td> <td>Units</td> </tr> <tr> <td>sample</td> <td>Sample identifiier</td> <td>Nominal Variable</td> <td> </td> </tr> <tr> <td>sp_code</td> <td>Species identifier</td> <td>Nominal Variable</td> <td> </td> </tr> <tr> <td>sp</td> <td>Species latin name</td> <td>Nominal Variable</td> <td> </td> </tr> <tr> <td>direction</td> <td>Friction test direction</td> <td>Categorical variable</td> <td> </td> </tr> <tr> <td>static_force</td> <td>Force needed to induce motion of the stem segment</td> <td>Continuous variable</td> <td>mN</td> </tr> <tr> <td>sliding_force</td> <td>Force needed to maintain the stem segment in motion</td> <td>Continuous variable</td> <td>mN</td> </tr> <tr> <td>sliding_dist</td> <td>Distance spanned by the stem segment during test</td> <td>Continuous variable</td> <td>mm</td> </tr> <tr> <td>nPeaks</td> <td>Number of force peaks detected during test</td> <td>Discrete variable</td> <td>mN</td> </tr> <tr> <td>peak_frequ</td> <td>Peak frequency during sliding (NPeaks/sliding_dist)</td> <td>Continuous variable</td> <td>peaks.mm<sup>-1</sup></td> </tr> <tr> <td>diam</td> <td>Diameter of the tested segment</td> <td>Continuous variable</td> <td>mm</td> </tr> </tbody> </table> <p> </p>
Data from: A cerebellar granule cell–climbing fiber computation to learn to track long time intervals
<p>In classical cerebellar learning, Purkinje cells (PkCs) associate climbing fiber (CF) error signals with predictive granule cells (GrCs) active just prior (~150ms). Cerebellum also contributes to behaviors characterized by longer timescales. To investigate how GrC-CF-PkC circuits might learn seconds-long predictions, we imaged simultaneous GrC-CF activity over days of forelimb operant conditioning for delayed water reward. As mice learned reward timing, numerous GrCs developed anticipatory activity ramping at different rates until reward delivery, followed by widespread time-locked CF spiking. Relearning longer delays further lengthened GrC activations. We computed CF-dependent GrC→PkC plasticity rules, demonstrating that reward-evoked CF spikes sufficed to grade many GrC synapses by anticipatory timing. We predicted and confirmed that PkCs could thereby continuously ramp across seconds-long intervals from movement to reward. Learning thus leads to new GrC temporal bases linking predictors to remote CF reward signals—a strategy well-suited to learn to track long intervals common in cognitive domains.</p>
Dataset: Climb Global Solutions, Inc. (CLMB) Stock Performance
This dataset provides historical stock market performance data for specific companies. It enables users to analyze and understand the past trends and fluctuations in stock prices over time. This information can be utilized for various purposes such as investment analysis, financial research, and market trend forecasting.
Fig 2 in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 2: Showing the effect of Di-ammonium phosphate on Neutrophil, Monocytes, Basophil in Anabas testudineus (96 hrs) *P<0.05, *** P<0.001
Fig 7.A in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 7.A: Photomicrograph of the testes of Anabas testudineus control fish showing sperm (SP), spermatogonia (SG), spermitide (ST), secondary spermatocyte (SS), primary spermocytes (PS). H.&E., 200X
Fig 3 in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 3: Showing the effect of Di-ammonium phosphate on Lymphocytes, Eosinophil, PCV, in Anabas testudineus (96 hrs) ** P<0.01
Fig 4.B in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 4.B: Photomicrograph of the liver of Anabas testudineus treated with DAP- 0.092 g/L for 20 days showing hemorrhagic liver tissue, blood congestion and necrotic cells. H. & E., 100X
Fig 5.B in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 5.B: Photomicrograph of kidney of A. testudineus treated with DAP-0.092 g/l for 20 days showing degeneration of renal tubular epithelium, vacuolation and necrosis of renal tubules along with infiltration and necrosis of melanomacrophage center (arrow). H.&E., 20X
Fig 1 in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 1: Showing the effect of Di-ammonium phosphate on Hb, RBC, WBC in Anabas testudineus (96 hrs) ***P<0.001
Fig 8.B in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 8.B: Photomicrograph of the ovary of Anabas testudineus treated with DAP- 0.092 g/L for 20 days showing (NU) Nucleolus condensed, (CT) Connective tissue degenerate (AF) Atretic follicle & (FW) Follicular wall disrupted. H.&E., 200X.
Fig 8.A in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 8.A: Photomicrograph of the ovary of Anabas testudineus control fish showing (OW) Ovarian wall, (FE) Follicular epithelium, (N) Nucleus, (NU) Nucleolus, (OC) Oocyte. H.&E., 200X
Fig 5.A in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 5.A: Photomicrograph of kidney of Anabas testudineus from control group showing normal. H.&E., 200X
Fig 7.B in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 7.B: Photomicrograph of the testes of Anabas testudineus treated with DAP- 0.092 g/L for 20 days showing sperm (SP), spermatogonia condensation (SG), spermitide (ST), secondary spermatocyte vacuolation (SS). H.&E., 200x
Fig 6.B in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 6.B: Photomicrograph of Intestine tissue of A. testudineus exposed to DAP- 0.092 g/L for 20 days showing desquamation (orange arrow) and mononuclear cell infiltration (MHI) (arrow). H.&E. 120X
Fig 6.A in Study of haematology profile & histopathological changes in di-ammonium phosphate induced climbing perch, Anabas testudineus (Bloch.)
Fig 6.A: Photomicrograph of Intestine tissue of A. testudineus in control group showing normal appearance of circular muscles, longitudinal muscles, serosa and villi. H.&E., 120X.
FIG. 3. Rhea americana siblings climbing a 45 in Pennaraptoran Theropod Dinosaurs Past Progress And New Frontiers
FIG. 3. Rhea americana siblings climbing a 45° ramp without performing WAIR. Individual on the left has its wings folded to the body, individual on the right has its wings extended.
Vines and Climbing Plants of Puerto Rico and the Virgin Islands - Bejucos y plantas trepadoras de Puerto Rico e Islas Vírgenes: Vines
Open the record for dataset details and reuse information.
FIG. 9 in Lygodium hians E.Fournier (Pteridophyta, Schizaeales) - an endemic unusual groundclothing member of a modern climbing fern genus in New Caledonia
FIG. 9. — Cretacous Lygodium cretaceum Debey & Ettingshausen: A, pinnule fragment with sterile basal portion (left of image) and fertile terminal sorophore (Natural History Museum, Vienna, Department of Geology and Palaeontology, specimen 1857/0008/0004).B, scanning electron microscope image, FEGSEM uncoated directly of specimen on rock, showing part of sorophore from A, with three 'bulges' likely representing original positions of single sporangia, each associated with an elongate marginal protrusion interpreted as an indusium; no details of sporangia and no spores were visible on any specimens examined. Scale bars: A, 2 mm; B, 1 mm.
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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.