The natricid snake genus Herpetoreas Günther,1860,is predominantly distributed throughout the southern Himalayan region.Over the past decade,intensive field investigations and taxonomic studies have led to the su...The natricid snake genus Herpetoreas Günther,1860,is predominantly distributed throughout the southern Himalayan region.Over the past decade,intensive field investigations and taxonomic studies have led to the successful discovery and description of four cryptic species within this group.Nevertheless,data suggest that species diversity remains significantly underestimated and that the systematic position of certain members still requires clarification.Five new specimens initially identified as Herpetoreas were collected during field work on the Qinghai-Xizang Plateau.Comprehensive molecular phylogenetic analyses and morphological comparisons confirmed that two specimens represented a cryptic species,while the remaining three were identified as the rare H.sieboldii Günther,1860.In addition to the significant genetic divergence,the new species exhibits diagnostic morphological characteristics that distinguish it from its congeners:(1)preoculars 2;(2)postoculars 2;(3)temporals 1+2 or 1+1+2;(4)dorsal scale rows 19-19-17,all keeled except the outer one,dorsal scale reduction from 19 to 17 rows at 109^(th)-111^(th)VS;(5)ventrals 215219;(6)cloacal plate divided;(7)subcaudals 89-90,paired;(8)reduction of tail dorsal scales from 8 to 6 rows at position 35-36 SC,and from 6 to 4 at 74 SC;(9)tail segments with 4 supracaudal scale rows constitutes 0.38%-0.42%of those with 6 rows;(10)a wide dark stripe extending from the posterior eye to the upper corner of the mouth;(11)dorsum brick-brown in life,speckled with short dark stripes;(12)body and tail venter immaculate,each shield decorated with dark spots on the lateral edges.The systematics of H.sieboldii and H.platyceps are also discussed based on molecular data.展开更多
Advances in optical coherence tomography(OCT)technology allow a clear view of the vitreoretinal interface(VRI).The abnormality of the VRI is one of the common symptoms of high myopia,mainly including posterior vitreou...Advances in optical coherence tomography(OCT)technology allow a clear view of the vitreoretinal interface(VRI).The abnormality of the VRI is one of the common symptoms of high myopia,mainly including posterior vitreous detachment(PVD)and epiretinal membrane(ERM).They can cause severe damage to the structure and function of the retina,leading to permanent vision loss.Therefore,fully automated detection of abnormalities at the VRI is crucial for the management of high myopia.This paper presents a DS-YOLOv7 network aimed at accurately identifying abnormalities,including partial PVD,complete PVD,and ERM from retinal OCT images.Built upon the YOLOv7 network,the proposed model integrates the advanced dynamic snake convolution(DSConv)module to capture the curvilinear characteristics of lesions,and the mixture of attention and convolution(ACMix)module to improve the precision and robustness of feature extraction through effective fusion of self-attention mechanisms and convolution.Moreover,the introduction of the efficient complete intersection-over-union(ECIoU)loss function further enhances the coordinate regression capability of the model.Threefold cross-validation on a dataset with 1973 OCT B-scans from 46 patients shows that the DS-YOLOv7 achieved superior performance in vitreoretinal interface abnormality detection,with mAP@0.5 of 0.714,mAP@0.75 of 0.438,and mAP@0.5:0.95 of 0.424.The proposed model can provide an accurate and efficient diagnostic tool for patients with high myopia.展开更多
Descriptive signs in radiology can aid in easier pattern recognition and quicker diagnosis.In spinal cord ischemia,paired anterior-horn T2-hyperintensities have traditionally been known as the“owl’s eyes”or“snake ...Descriptive signs in radiology can aid in easier pattern recognition and quicker diagnosis.In spinal cord ischemia,paired anterior-horn T2-hyperintensities have traditionally been known as the“owl’s eyes”or“snake eyes”sign.We discuss how these signs,while visually apt,convey no pathophysiologic context and propose renaming this finding the“snake bite sign”.The image still evokes two punctate marks,yet the metaphor extends to a snake bite(two fang-like dots)rather than two bright foci(eyes)staring back at the viewer.Moreover,besides the sign metaphorically resembling a traumatic puncture of the two fangs,on the occasion of a venomous snake bite occurring elsewhere,additional neurological consequences may occur,paralleling the neurological deficits seen in anterior spinal artery infarction and several mimicking myelopathies,thus further high-lighting the analogy.Such clinically driven terminology may facilitate teaching,enable diagnostic recall,and improve interdisciplinary communication.展开更多
This study provides an updated checklist of snake species in China,building upon the 2020 checklist and incorporating comprehensive review of relevant literature published from 2020 to December 2024,as well as pre-202...This study provides an updated checklist of snake species in China,building upon the 2020 checklist and incorporating comprehensive review of relevant literature published from 2020 to December 2024,as well as pre-2020 sources that may have been overlooked.As of the end of 2024,the Chinese Serpents fauna included 19 families,71 genera,and 355 species of snakes.Significant progress has been made in the past five years,including the description of one new family,one new genus,and 60 new species.One subfamily and seven subspecies were elevated to full status,and 12 species were resurrected as valid species.Four genera and 27 species were newly recorded,three genera and four species were synonymized,and one family,four genera,and 12 species were excluded from the documented herpetofauna.This updated list highlights the presence of significant snake diversity and unresolved taxonomic challenges,emphasizing the potential for further discoveries.It also identifies under-researched groups,stressing the urgent need for focused taxonomic and ecological efforts to enhance our understanding of snake biodiversity in China.展开更多
We editorialized on this study published by Zou et al.Gastrointestinal bleeding is a common clinical symptom,and hemocoagulase is frequently used to treat hemorrhagic conditions.However,studies have shown that hemocoa...We editorialized on this study published by Zou et al.Gastrointestinal bleeding is a common clinical symptom,and hemocoagulase is frequently used to treat hemorrhagic conditions.However,studies have shown that hemocoagulase treatment may induce acquired hypofibrinogenemia,further aggravating the bleeding.Zou et al retrospectively analyzed 109 gastrointestinal bleeding cases to explore the hazards underlying hypofibrinogenemia induced by hemocoagulase,and identified higher total dose of hemocoagulase and female sex,as well as low baseline fibrinogen levels as significant hazards.Consequently,clinicians should be aware of both intrinsic and extrinsic risk factors when using hemocoagulase among this patient population,and remain vigilant for the potential development of hemocoagulase-induced hypofibrinogenemia.展开更多
Sex-biased dispersal,a widespread phenomenon in the animal kingdom,plays a crucial role in shaping genetic structure,optimizing population dynamics,and sustaining reproductive success.Recent research has uncovered con...Sex-biased dispersal,a widespread phenomenon in the animal kingdom,plays a crucial role in shaping genetic structure,optimizing population dynamics,and sustaining reproductive success.Recent research has uncovered considerable diversity and complexity in sex-biased dispersal patterns across species,although studies on snakes with secretive behaviors and low encounter rates remain limited.In this study,sex-biased dispersal in the Asian pitviper(Viridovipera stejnegeri)was investigated using microsatellite markers and a mark-recapture approach.The underlying factors contributing to sexbiased dispersal were also examined,with a focus on genetic structure,kinship patterns,and resource competition.Microsatellite analyses revealed an overall pattern of female-biased dispersal in V.stejnegeri,although certain populations exhibited male-biased dispersal.Notably,these variations in dispersal patterns among populations were not associated with genetic differentiation.The contrasting results between microsatellite data and mark-recapture methods highlighted the limitations of using mark-recapture alone to investigate sex-biased dispersal in snakes.Analyses indicated no significant differences in intrasexual and intersexual resource competition pressures,thus failing to support the resource competition hypothesis.Kinship analysis showed no significant clustering of consanguineous individuals within subpopulations;rather,individuals dispersed into neighboring subpopulations through sex-biased dispersal,effectively reducing the risk of inbreeding and supporting the inbreeding avoidance hypothesis.However,further investigation is needed to determine whether the local mate competition hypothesis applies.Overall,this study provides valuable insights into methodological approaches and data interpretation relevant to biodiversity conservation and management strategies.展开更多
BACKGROUND Bothrops envenomation is a common medical emergency in tropical areas and is characterized by local and systemic complications,such as edema,coagulopathy,and tissue necrosis.Cardiovascular manifestations ar...BACKGROUND Bothrops envenomation is a common medical emergency in tropical areas and is characterized by local and systemic complications,such as edema,coagulopathy,and tissue necrosis.Cardiovascular manifestations are rare and poorly documented,contributing to the complexity of its clinical management.CASE SUMMARY We described a rare cardiac complication in a 65-year-old female patient,who initially presented with mild Bothrops envenomation.She experienced localized edema and erythema but with a lack of systemic symptoms.During the evaluation we detected asymptomatic sinus bradycardia and QTc prolongation(523 milliseconds)that progressed to severe arrhythmias that required implantation of a permanent pacemaker.Management included the administration of polyvalent antiphonic serum,fresh frozen plasma transfusions,and intensive care unit monitoring.Imaging and laboratory studies ruled out ischemic,metabolic,or electrolytic etiologies for the cardiac alterations.The patient recovered favorably after the intervention and was discharged without further complications.CONCLUSION This case underscored the need for cardiac monitoring after snakebite envenomation as well as further research on venom-induced cardiotoxic mechanisms.展开更多
Spring Festival events in the capital combined tradition with new tech to celebrate the Year of the Snake in an innovative yet nostalgic way.WITH public spaces becoming popular destinations for tourists,over a hundred...Spring Festival events in the capital combined tradition with new tech to celebrate the Year of the Snake in an innovative yet nostalgic way.WITH public spaces becoming popular destinations for tourists,over a hundred museums,art galleries,and performance centers organized celebration events for the Spring Festival.Beijing’s museums alone received nearly 2.4 million visitors during the eight-day holiday from January 28 to February 4.展开更多
2025 is the Year of the Snake in the Chinese lunar calendar.The Snake symbolizes wisdom and wealth,both welcome assets for crop science and scientists.In bidding farewell to the old and ushering in the new,I would lik...2025 is the Year of the Snake in the Chinese lunar calendar.The Snake symbolizes wisdom and wealth,both welcome assets for crop science and scientists.In bidding farewell to the old and ushering in the new,I would like to thank all editors and reviewers who have generously contributed their time,effort,and expertise to The Crop Journal.I thank our devoted authors and readers for being a part of our journal community.Without all their hard work and passion,The Crop Journal is a mission impossible.展开更多
The global incidence of Alzheimer's Disease(AD)is on a swift rise.The Electroencephalogram(EEG)signals is an effective tool for the identification of AD and its initial Mild Cognitive Impairment(MCI)stage using ma...The global incidence of Alzheimer's Disease(AD)is on a swift rise.The Electroencephalogram(EEG)signals is an effective tool for the identification of AD and its initial Mild Cognitive Impairment(MCI)stage using machine learning models.Analysis of AD using EEG involves multi-channel analysis.However,the use of multiple channels may impact the classification performance due to data redundancy and complexity.In this work,a hybrid EEG channel selection is proposed using a combination of Reptile Search Algorithm and Snake Optimizer(RSO)for AD and MCI detection based on decomposition methods.Empirical Mode Decomposition(EMD),Low-Complexity Orthogonal Wavelet Filter Banks(LCOWFB),Variational Mode Decomposition,and discrete-wavelet transform decomposition techniques have been employed for subbands-based EEG analysis.We extracted thirty-four features from each subband of EEG signals.Finally,a hybrid RSO optimizer is compared with five individual metaheuristic algorithms for effective channel selection.The effectiveness of this model is assessed by two publicly accessible AD EEG datasets.An accuracy of 99.22% was achieved for binary classification from RSO with EMD using 4(out of 16)EEG channels.Moreover,the RSO with LCOWFBs obtained 89.68%the average accuracy for three-class classification using 7(out of 19)channels.The performance reveals that RSO performs better than individual Metaheuristic algorithms with 60%fewer channels and improved accuracy of 4%than existing AD detection techniques.展开更多
From the mythic tales of ancient China to the spiritual practices of West Africa,and from the tombs of Egyptian pharaohs to the emblematic symbols of healing in Greece,the snake has woven itself into the fabric of hum...From the mythic tales of ancient China to the spiritual practices of West Africa,and from the tombs of Egyptian pharaohs to the emblematic symbols of healing in Greece,the snake has woven itself into the fabric of human culture.Whether as a symbol of fertility,wisdom,healing,or mystery,the snake continues to inspire and intrigue.As 2025 marks the Chinese Year of the Snake,it is an opportune moment to explore the profound and multifaceted roles snakes play in the cultures and myths of civilisations worldwide.展开更多
Cultural Relics World Issue 1,2025 Research on the Zodiac Snake Cultural Artifacts With the“Spring Festival,a Social Practice of the Chinese People Celebrating the Traditional New Year”being successfully included in...Cultural Relics World Issue 1,2025 Research on the Zodiac Snake Cultural Artifacts With the“Spring Festival,a Social Practice of the Chinese People Celebrating the Traditional New Year”being successfully included in UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity,the Chinese traditional festival with the zodiac as the symbol has more and more extensive influence in the world.The snake,as one of the early totems of the Chinese nation,ranks 6th in the twelve zodiac signs,corresponding to“Si”in the 12 terrestrial branches.The issue launches the special topic of“Research on the Zodiac Snake Cultural Artifacts”,compiling 10 articles with the purpose of exploring the types,characteristics,origins and evolution of snake cultural relics from multiple perspectives,interpreting their cultural connotations,and the changes in the reflected spiritual beliefs and ideas.展开更多
The Chinese Opera Season 2025 and International Exhibition of Chinese Opera opened in Vienna,the capital of Austria,on the evening of April 5.As the opening performance of the Season,a traditional Wu Opera(a local ope...The Chinese Opera Season 2025 and International Exhibition of Chinese Opera opened in Vienna,the capital of Austria,on the evening of April 5.As the opening performance of the Season,a traditional Wu Opera(a local opera in Zhejiang Province)scene"the Legend of the White Snake"was performed at the Muth Theatre in Vienna,drawing enthusiastic responses.展开更多
Panchen Rinpoche Sends Greetings for Tibetan New Year 2025 On the Tibetan New Year,Feb.28,Panchen Erdeni Chos-kyi rGyal-po,one of the most influential figures in Tibetan Buddhism,extended greetings to Tibetans at home...Panchen Rinpoche Sends Greetings for Tibetan New Year 2025 On the Tibetan New Year,Feb.28,Panchen Erdeni Chos-kyi rGyal-po,one of the most influential figures in Tibetan Buddhism,extended greetings to Tibetans at home and abroad.In the speech,he prayed for the young to be wise and for the elderly to enjoy peace and wellbeing,wished for the country's prosperity and world peace,and wished that everything would go well in the Year of the Wood Snake and the virtuous be blessed.展开更多
针对轮廓复杂多变、细节信息丰富等多因素,导致变电建筑重建效果不佳的问题,提出基于轮廓拼接的变电建筑数字三维重建算法。基于改进Snake模型提取变电建筑目标轮廓,为后续的三维重建提供关键轮廓信息;基于获取的二维轮廓信息,利用运动...针对轮廓复杂多变、细节信息丰富等多因素,导致变电建筑重建效果不佳的问题,提出基于轮廓拼接的变电建筑数字三维重建算法。基于改进Snake模型提取变电建筑目标轮廓,为后续的三维重建提供关键轮廓信息;基于获取的二维轮廓信息,利用运动恢复结构(Structure from Motion,SfM)完成变电建筑的三维轮廓重建;通过Jaccard距离和最近点迭代(ICP)算法将多个轮廓碎片精确拼接为完整的变电建筑三维轮廓,并使用附加三维线约束的网格优化算法对所构建三维轮廓实行优化,完成最终的变电建筑数字三维重建。实验结果表明:所提方法在变电建筑轮廓及三维重建中展现出高精度、细节保留良好且整体连贯性佳的优势。展开更多
Chinese Tourism Participates in the Kanazawa Travel Expo in Japan,From June 28 to June 29,China National Tourist Office in Osaka participated in the 2025 Kanazawa Travel Expo held in Kanazawa City,Ishikawa Prefecture,...Chinese Tourism Participates in the Kanazawa Travel Expo in Japan,From June 28 to June 29,China National Tourist Office in Osaka participated in the 2025 Kanazawa Travel Expo held in Kanazawa City,Ishikawa Prefecture,Japan.Throughout the event,China National Tourist Office booth attracted a steady stream of visitors.Souvenirs such as giant panda fans and auspicious snake-themed merchandise drew considerable attention.The expo highlighted the unique charm of Shanghai,covering various aspects including history and culture,urban landmarks,culinary experiences,and received unanimous praise from the audience on the spot.展开更多
In ancient China,the snake was worshipped as a totem.In Chinese mythology,Nüwa and Fuxi,the deities who created humans,were half human and half snake.Folk art depicts them as conjoined,with interlocked tails.Whil...In ancient China,the snake was worshipped as a totem.In Chinese mythology,Nüwa and Fuxi,the deities who created humans,were half human and half snake.Folk art depicts them as conjoined,with interlocked tails.While in Western culture the serpent is regarded as the tempter who caused the fall of man,in ancient Chinese philosophy,the snake is a symbol of fertility and vitality.As it has the disposition to shed skin,the snake is also emblematic of regeneration and a new beginning.展开更多
基金supported by the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program(2024QZKK0200)the National Natural Science Foundation of China(NSFC 32370486).
文摘The natricid snake genus Herpetoreas Günther,1860,is predominantly distributed throughout the southern Himalayan region.Over the past decade,intensive field investigations and taxonomic studies have led to the successful discovery and description of four cryptic species within this group.Nevertheless,data suggest that species diversity remains significantly underestimated and that the systematic position of certain members still requires clarification.Five new specimens initially identified as Herpetoreas were collected during field work on the Qinghai-Xizang Plateau.Comprehensive molecular phylogenetic analyses and morphological comparisons confirmed that two specimens represented a cryptic species,while the remaining three were identified as the rare H.sieboldii Günther,1860.In addition to the significant genetic divergence,the new species exhibits diagnostic morphological characteristics that distinguish it from its congeners:(1)preoculars 2;(2)postoculars 2;(3)temporals 1+2 or 1+1+2;(4)dorsal scale rows 19-19-17,all keeled except the outer one,dorsal scale reduction from 19 to 17 rows at 109^(th)-111^(th)VS;(5)ventrals 215219;(6)cloacal plate divided;(7)subcaudals 89-90,paired;(8)reduction of tail dorsal scales from 8 to 6 rows at position 35-36 SC,and from 6 to 4 at 74 SC;(9)tail segments with 4 supracaudal scale rows constitutes 0.38%-0.42%of those with 6 rows;(10)a wide dark stripe extending from the posterior eye to the upper corner of the mouth;(11)dorsum brick-brown in life,speckled with short dark stripes;(12)body and tail venter immaculate,each shield decorated with dark spots on the lateral edges.The systematics of H.sieboldii and H.platyceps are also discussed based on molecular data.
基金supported by the National Natural Science Foundation of China(62271337,62371326,and 62371328)the National Key Research and Development Program of China(2019FYC1710204)+1 种基金the National Clinical Key Specialty Construction Project(10000015Z155080000004)the Natural Science Foundation of Jiangsu Province(BK20231310).
文摘Advances in optical coherence tomography(OCT)technology allow a clear view of the vitreoretinal interface(VRI).The abnormality of the VRI is one of the common symptoms of high myopia,mainly including posterior vitreous detachment(PVD)and epiretinal membrane(ERM).They can cause severe damage to the structure and function of the retina,leading to permanent vision loss.Therefore,fully automated detection of abnormalities at the VRI is crucial for the management of high myopia.This paper presents a DS-YOLOv7 network aimed at accurately identifying abnormalities,including partial PVD,complete PVD,and ERM from retinal OCT images.Built upon the YOLOv7 network,the proposed model integrates the advanced dynamic snake convolution(DSConv)module to capture the curvilinear characteristics of lesions,and the mixture of attention and convolution(ACMix)module to improve the precision and robustness of feature extraction through effective fusion of self-attention mechanisms and convolution.Moreover,the introduction of the efficient complete intersection-over-union(ECIoU)loss function further enhances the coordinate regression capability of the model.Threefold cross-validation on a dataset with 1973 OCT B-scans from 46 patients shows that the DS-YOLOv7 achieved superior performance in vitreoretinal interface abnormality detection,with mAP@0.5 of 0.714,mAP@0.75 of 0.438,and mAP@0.5:0.95 of 0.424.The proposed model can provide an accurate and efficient diagnostic tool for patients with high myopia.
文摘Descriptive signs in radiology can aid in easier pattern recognition and quicker diagnosis.In spinal cord ischemia,paired anterior-horn T2-hyperintensities have traditionally been known as the“owl’s eyes”or“snake eyes”sign.We discuss how these signs,while visually apt,convey no pathophysiologic context and propose renaming this finding the“snake bite sign”.The image still evokes two punctate marks,yet the metaphor extends to a snake bite(two fang-like dots)rather than two bright foci(eyes)staring back at the viewer.Moreover,besides the sign metaphorically resembling a traumatic puncture of the two fangs,on the occasion of a venomous snake bite occurring elsewhere,additional neurological consequences may occur,paralleling the neurological deficits seen in anterior spinal artery infarction and several mimicking myelopathies,thus further high-lighting the analogy.Such clinically driven terminology may facilitate teaching,enable diagnostic recall,and improve interdisciplinary communication.
基金supported by the National Natural Science Foundation of China (32200363,32325011,32220103004,32400361,32300370)International Partnership Program of Chinese Academy of Sciences (071GJHZ2023041MI)+2 种基金Biological Resources Programme,Chinese Academy of Sciences (CASTAX-24-051,CAS-TAX-24-052)China Postdoctoral Science Foundation (2023M743416)Sichuan Science and Technology Program (2024NSFSC1180)。
文摘This study provides an updated checklist of snake species in China,building upon the 2020 checklist and incorporating comprehensive review of relevant literature published from 2020 to December 2024,as well as pre-2020 sources that may have been overlooked.As of the end of 2024,the Chinese Serpents fauna included 19 families,71 genera,and 355 species of snakes.Significant progress has been made in the past five years,including the description of one new family,one new genus,and 60 new species.One subfamily and seven subspecies were elevated to full status,and 12 species were resurrected as valid species.Four genera and 27 species were newly recorded,three genera and four species were synonymized,and one family,four genera,and 12 species were excluded from the documented herpetofauna.This updated list highlights the presence of significant snake diversity and unresolved taxonomic challenges,emphasizing the potential for further discoveries.It also identifies under-researched groups,stressing the urgent need for focused taxonomic and ecological efforts to enhance our understanding of snake biodiversity in China.
文摘We editorialized on this study published by Zou et al.Gastrointestinal bleeding is a common clinical symptom,and hemocoagulase is frequently used to treat hemorrhagic conditions.However,studies have shown that hemocoagulase treatment may induce acquired hypofibrinogenemia,further aggravating the bleeding.Zou et al retrospectively analyzed 109 gastrointestinal bleeding cases to explore the hazards underlying hypofibrinogenemia induced by hemocoagulase,and identified higher total dose of hemocoagulase and female sex,as well as low baseline fibrinogen levels as significant hazards.Consequently,clinicians should be aware of both intrinsic and extrinsic risk factors when using hemocoagulase among this patient population,and remain vigilant for the potential development of hemocoagulase-induced hypofibrinogenemia.
基金supported by the National Natural Science Foundation of China(31071892,31372152,32000308)Scientific Research Foundation of Yibin University(2019QD13)。
文摘Sex-biased dispersal,a widespread phenomenon in the animal kingdom,plays a crucial role in shaping genetic structure,optimizing population dynamics,and sustaining reproductive success.Recent research has uncovered considerable diversity and complexity in sex-biased dispersal patterns across species,although studies on snakes with secretive behaviors and low encounter rates remain limited.In this study,sex-biased dispersal in the Asian pitviper(Viridovipera stejnegeri)was investigated using microsatellite markers and a mark-recapture approach.The underlying factors contributing to sexbiased dispersal were also examined,with a focus on genetic structure,kinship patterns,and resource competition.Microsatellite analyses revealed an overall pattern of female-biased dispersal in V.stejnegeri,although certain populations exhibited male-biased dispersal.Notably,these variations in dispersal patterns among populations were not associated with genetic differentiation.The contrasting results between microsatellite data and mark-recapture methods highlighted the limitations of using mark-recapture alone to investigate sex-biased dispersal in snakes.Analyses indicated no significant differences in intrasexual and intersexual resource competition pressures,thus failing to support the resource competition hypothesis.Kinship analysis showed no significant clustering of consanguineous individuals within subpopulations;rather,individuals dispersed into neighboring subpopulations through sex-biased dispersal,effectively reducing the risk of inbreeding and supporting the inbreeding avoidance hypothesis.However,further investigation is needed to determine whether the local mate competition hypothesis applies.Overall,this study provides valuable insights into methodological approaches and data interpretation relevant to biodiversity conservation and management strategies.
文摘BACKGROUND Bothrops envenomation is a common medical emergency in tropical areas and is characterized by local and systemic complications,such as edema,coagulopathy,and tissue necrosis.Cardiovascular manifestations are rare and poorly documented,contributing to the complexity of its clinical management.CASE SUMMARY We described a rare cardiac complication in a 65-year-old female patient,who initially presented with mild Bothrops envenomation.She experienced localized edema and erythema but with a lack of systemic symptoms.During the evaluation we detected asymptomatic sinus bradycardia and QTc prolongation(523 milliseconds)that progressed to severe arrhythmias that required implantation of a permanent pacemaker.Management included the administration of polyvalent antiphonic serum,fresh frozen plasma transfusions,and intensive care unit monitoring.Imaging and laboratory studies ruled out ischemic,metabolic,or electrolytic etiologies for the cardiac alterations.The patient recovered favorably after the intervention and was discharged without further complications.CONCLUSION This case underscored the need for cardiac monitoring after snakebite envenomation as well as further research on venom-induced cardiotoxic mechanisms.
文摘Spring Festival events in the capital combined tradition with new tech to celebrate the Year of the Snake in an innovative yet nostalgic way.WITH public spaces becoming popular destinations for tourists,over a hundred museums,art galleries,and performance centers organized celebration events for the Spring Festival.Beijing’s museums alone received nearly 2.4 million visitors during the eight-day holiday from January 28 to February 4.
文摘2025 is the Year of the Snake in the Chinese lunar calendar.The Snake symbolizes wisdom and wealth,both welcome assets for crop science and scientists.In bidding farewell to the old and ushering in the new,I would like to thank all editors and reviewers who have generously contributed their time,effort,and expertise to The Crop Journal.I thank our devoted authors and readers for being a part of our journal community.Without all their hard work and passion,The Crop Journal is a mission impossible.
文摘The global incidence of Alzheimer's Disease(AD)is on a swift rise.The Electroencephalogram(EEG)signals is an effective tool for the identification of AD and its initial Mild Cognitive Impairment(MCI)stage using machine learning models.Analysis of AD using EEG involves multi-channel analysis.However,the use of multiple channels may impact the classification performance due to data redundancy and complexity.In this work,a hybrid EEG channel selection is proposed using a combination of Reptile Search Algorithm and Snake Optimizer(RSO)for AD and MCI detection based on decomposition methods.Empirical Mode Decomposition(EMD),Low-Complexity Orthogonal Wavelet Filter Banks(LCOWFB),Variational Mode Decomposition,and discrete-wavelet transform decomposition techniques have been employed for subbands-based EEG analysis.We extracted thirty-four features from each subband of EEG signals.Finally,a hybrid RSO optimizer is compared with five individual metaheuristic algorithms for effective channel selection.The effectiveness of this model is assessed by two publicly accessible AD EEG datasets.An accuracy of 99.22% was achieved for binary classification from RSO with EMD using 4(out of 16)EEG channels.Moreover,the RSO with LCOWFBs obtained 89.68%the average accuracy for three-class classification using 7(out of 19)channels.The performance reveals that RSO performs better than individual Metaheuristic algorithms with 60%fewer channels and improved accuracy of 4%than existing AD detection techniques.
文摘From the mythic tales of ancient China to the spiritual practices of West Africa,and from the tombs of Egyptian pharaohs to the emblematic symbols of healing in Greece,the snake has woven itself into the fabric of human culture.Whether as a symbol of fertility,wisdom,healing,or mystery,the snake continues to inspire and intrigue.As 2025 marks the Chinese Year of the Snake,it is an opportune moment to explore the profound and multifaceted roles snakes play in the cultures and myths of civilisations worldwide.
文摘Cultural Relics World Issue 1,2025 Research on the Zodiac Snake Cultural Artifacts With the“Spring Festival,a Social Practice of the Chinese People Celebrating the Traditional New Year”being successfully included in UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity,the Chinese traditional festival with the zodiac as the symbol has more and more extensive influence in the world.The snake,as one of the early totems of the Chinese nation,ranks 6th in the twelve zodiac signs,corresponding to“Si”in the 12 terrestrial branches.The issue launches the special topic of“Research on the Zodiac Snake Cultural Artifacts”,compiling 10 articles with the purpose of exploring the types,characteristics,origins and evolution of snake cultural relics from multiple perspectives,interpreting their cultural connotations,and the changes in the reflected spiritual beliefs and ideas.
文摘The Chinese Opera Season 2025 and International Exhibition of Chinese Opera opened in Vienna,the capital of Austria,on the evening of April 5.As the opening performance of the Season,a traditional Wu Opera(a local opera in Zhejiang Province)scene"the Legend of the White Snake"was performed at the Muth Theatre in Vienna,drawing enthusiastic responses.
文摘Panchen Rinpoche Sends Greetings for Tibetan New Year 2025 On the Tibetan New Year,Feb.28,Panchen Erdeni Chos-kyi rGyal-po,one of the most influential figures in Tibetan Buddhism,extended greetings to Tibetans at home and abroad.In the speech,he prayed for the young to be wise and for the elderly to enjoy peace and wellbeing,wished for the country's prosperity and world peace,and wished that everything would go well in the Year of the Wood Snake and the virtuous be blessed.
文摘针对轮廓复杂多变、细节信息丰富等多因素,导致变电建筑重建效果不佳的问题,提出基于轮廓拼接的变电建筑数字三维重建算法。基于改进Snake模型提取变电建筑目标轮廓,为后续的三维重建提供关键轮廓信息;基于获取的二维轮廓信息,利用运动恢复结构(Structure from Motion,SfM)完成变电建筑的三维轮廓重建;通过Jaccard距离和最近点迭代(ICP)算法将多个轮廓碎片精确拼接为完整的变电建筑三维轮廓,并使用附加三维线约束的网格优化算法对所构建三维轮廓实行优化,完成最终的变电建筑数字三维重建。实验结果表明:所提方法在变电建筑轮廓及三维重建中展现出高精度、细节保留良好且整体连贯性佳的优势。
文摘Chinese Tourism Participates in the Kanazawa Travel Expo in Japan,From June 28 to June 29,China National Tourist Office in Osaka participated in the 2025 Kanazawa Travel Expo held in Kanazawa City,Ishikawa Prefecture,Japan.Throughout the event,China National Tourist Office booth attracted a steady stream of visitors.Souvenirs such as giant panda fans and auspicious snake-themed merchandise drew considerable attention.The expo highlighted the unique charm of Shanghai,covering various aspects including history and culture,urban landmarks,culinary experiences,and received unanimous praise from the audience on the spot.
文摘In ancient China,the snake was worshipped as a totem.In Chinese mythology,Nüwa and Fuxi,the deities who created humans,were half human and half snake.Folk art depicts them as conjoined,with interlocked tails.While in Western culture the serpent is regarded as the tempter who caused the fall of man,in ancient Chinese philosophy,the snake is a symbol of fertility and vitality.As it has the disposition to shed skin,the snake is also emblematic of regeneration and a new beginning.
