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Is the Social Safety Net a Long-Term Investment? Large-Scale Evidence From the Food Stamps Program: student replicationpublic_health · medium · 2026-06-23Immigration and safety-net programs shape America's social landscape, yet their intersection remains poorly understood. While we know low-skilled immigration can shift political preferences and early-life food stamps improve adult outcomes, no study has used public data to ask wh
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Transfer Learning With Time Series Data: A Systematic Mapping Study: student replicationpublic_health · medium · 2026-06-22As synthetic data becomes vital for privacy, the lack of standardized evaluation metrics threatens its reliability.
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租金负担与教育成就：美国都市区住房成本与学士学位获得率的关联分析ACS_SUBJECT_STARTER · medium · 2026-06-21ACS_SUBJECT_STARTER: 在美国都市区，中位租金水平与25岁以上人口中拥有学士及以上学位的比例之间是否存在统计上显著的关联？这种关联在不同人口规模的城市中是否一致？
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基于历史航班与气象数据的美国机场延误预测模型：随机森林与聚类分析applied_ml · medium · 2026-06-20applied_ml: 能否利用美国交通统计局（BTS）的航班准点率数据和NOAA气象数据，训练随机森林模型预测航班延误是否超过15分钟，并通过聚类分析识别延误特征相似的机场群？
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美国青少年抑郁症状与数字健康工具使用的关联：基于NSCH 2022的探索心理健康与健康服务利用 · medium · 2026-06-19心理健康与健康服务利用: 在控制人口学特征后，美国青少年（12-17岁）中报告抑郁症状与使用数字健康工具（如在线咨询或心理健康应用）之间是否存在显著关联？
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教育水平与健康保险覆盖率：美国各州的社会经济梯度分析Social Determinants of Health · medium · 2026-06-18Social Determinants of Health: 在美国各州，成人本科及以上学历比例（ACS_DP03_BACHELORS_PLUS_PCT）与健康保险覆盖率（ACS_S2701_INSURED_RATE）之间是否存在显著的正相关关系？这种关系是否因地区（ACS_REGION）而异？
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美国县级清洁能源企业密度与PM2.5年均浓度的关联：温度异常的调节效应环境与健康 · medium · 2026-06-17环境与健康: 在美国县级尺度上，清洁能源企业密度（每万人）与PM2.5年均浓度之间是否存在负相关？温度异常（相对于1991-2020年标准值）如何调节这一关系？
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美国县级夏季极端高温与PM2.5交互作用对呼吸系统急诊就诊率的影响环境与健康 · medium · 2026-06-16环境与健康: 在2010-2020年间，美国各县的夏季极端高温天数与PM2.5年均浓度是否存在交互作用，且这种交互作用是否与呼吸系统疾病急诊就诊率增加相关？
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家庭逆境与儿童抑郁：体育参与是否起到保护作用？基于NSCH 2022的分析Mental Health · medium · 2026-06-15Mental Health: 在控制年龄和性别后，经历过至少一种不良童年经历（ACE）的儿童是否比没有ACE的儿童更可能报告抑郁？体育参与是否能够缓冲ACE与抑郁之间的关联？
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美国县级PM2.5年均浓度与夏季极端高温天数的关联分析环境与健康 · medium · 2026-06-14环境与健康: 美国各县PM2.5年均浓度与夏季极端高温天数（日最高温≥35°C）之间是否存在统计显著的正相关？人口密度是否影响这种关联？
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基于Arduino的智能香薰扩散器：优化雾化效率与精油消耗Maker & Industrial Design · hard · 2026-06-13设计并验证了低成本智能香薰扩散器原型，通过Arduino控制雾化效率，减少精油浪费30%
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便携式口述历史记录亭Maker & Industrial Design · medium · 2026-06-12利用Arduino和3D打印技术开发了一款便携式AI口述历史记录亭，助力社区数字保存
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设计与验证一种用于超声波香薰扩散器的自动冲洗系统，以消除精油交叉污染Maker & Industrial Design · easy · 2026-06-11开发了一种低成本、基于Arduino的超声波扩散器自动冲洗机制，使用家用材料将精油交叉污染减少90%。
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Scent-Switching Ultrasonic Diffuser with Removable PLA Insert to Eliminate Ghost ScentMaker & Industrial Design · easy · 2026-06-10Designed a low-cost, 3D-printed removable insert system for ultrasonic diffusers that reduces cross-contamination between scent changes by 90%, valida
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Scent-Clean: A Low-Cost Ultrasonic Diffuser with Replaceable Insert to Mitigate Essential Oil Cross-ContaminationMaker & Industrial Design · easy · 2026-06-09Developed a novel diffuser design using 3D-printed inserts that eliminated essential oil ghost scents, validated with a human panel—relevant to sustai
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Modular Ultrasonic Diffuser Insert for Mitigating Essential Oil Scent CarryoverMaker & Industrial Design · easy · 2026-06-08Engineered a modular ultrasonic diffuser insert that reduces essential oil residue carryover by 85% using only household materials.
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Scent-Switching Ultrasonic Diffuser with Removable PLA Baffle Insert to Reduce Ghost Scent CarryoverMaker & Industrial Design · easy · 2026-06-07Designed a low-cost, 3D-printed modular diffuser insert that reduces essential oil cross-contamination by 60% using only household materials and Ardui
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A Low-Cost, Interchangeable Cartridge System for Ultrasonic Aromatherapy Diffusers to Eliminate Scent Cross-ContaminationMaker & Industrial Design · easy · 2026-06-06Designed and validated a modular, 3D-printed cartridge system that reduces scent carryover by 90% compared to standard single-reservoir diffusers, usi
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A Self-Cleaning Ultrasonic Aromatherapy Diffuser with Replaceable PLA Tank Insert to Eliminate Scent Cross-ContaminationMaker & Industrial Design · easy · 2026-06-05Designed a low-cost, 3D-printed modular diffuser that eliminates ghost scent by swapping a PLA tank insert, validated with Arduino-based humidity sens
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A Low-Cost, Interchangeable Cartridge System for Eliminating Essential Oil Cross-Contamination in Ultrasonic DiffusersMaker & Industrial Design · easy · 2026-06-04Designed a zero-cross-contamination ultrasonic diffuser using 3D-printed PLA cartridges and Arduino-based humidity sensing, achieving <5% scent carryo
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Scent-Switching Ultrasonic Diffuser with Interchangeable PLA Insert to Eliminate Ghost Scent Cross-ContaminationMaker & Industrial Design · easy · 2026-06-03Designed a low-cost, interchangeable PLA tank insert that reduces essential oil residue carryover by 90%, enabling clean scent switching without dispo
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Cross-Contamination-Free Aromatherapy Diffuser with Replaceable PLA CartridgeMaker & Industrial Design · easy · 2026-06-02Designed a zero-cross-contamination ultrasonic diffuser using replaceable 3D-printed PLA cartridges and Arduino-controlled humidity sensing, eliminati
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Scent-Switching Ultrasonic Diffuser with Removable PLA Insert and Silicone Tubing to Eliminate Ghost Scent ContaminationMaker & Industrial Design · easy · 2026-06-01Designed and validated a low-cost, 3D-printed ultrasonic diffuser that eliminates cross-contamination between essential oil blends using a replaceable
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Cross-Contamination Reduction in Ultrasonic Aromatherapy Diffusers via Replaceable PLA Tank InsertMaker & Industrial Design · easy · 2026-05-31Designed a low-cost, replaceable PLA tank insert that reduces essential oil residue cross-contamination by 80% in ultrasonic diffusers, validated with
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Cross-Contamination Reduction in Ultrasonic Aromatherapy Diffusers via Replaceable PLA Tank InsertsMaker & Industrial Design · easy · 2026-05-30Designed a low-cost, replaceable PLA tank insert that reduces scent cross-contamination by 80% in ultrasonic diffusers, validated with Arduino-based h
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Scent-Switching Ultrasonic Diffuser with Replaceable PLA Cartridge and Residual Oil DetectionMaker & Industrial Design · easy · 2026-05-29Designed a low-cost, replaceable cartridge system for ultrasonic diffusers that eliminates cross-contamination between essential oils, validated with
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Scent-Switching Ultrasonic Diffuser with Replaceable PLA Insert and Arduino-Controlled PurgingMaker & Industrial Design · easy · 2026-05-28Designed a low-cost, replaceable PLA insert and automated purge cycle to eliminate essential oil ghost scents in ultrasonic diffusers, validated with
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Cross-Contamination Reduction in Ultrasonic Aromatherapy Diffusers via Replaceable PLA Tank InsertsMaker & Industrial Design · easy · 2026-05-27Designed a low-cost, replaceable PLA tank insert that reduces scent cross-contamination by 80% in ultrasonic diffusers, validated with Arduino-based h
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Scent-Switching Ultrasonic Diffuser with Replaceable PLA Cartridge to Eliminate Ghost Scent ContaminationMaker & Industrial Design · easy · 2026-05-26Designed a low-cost, replaceable PLA cartridge system that eliminates ghost scent carryover in ultrasonic diffusers, validated by quantitative humidit
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Scent-Switching Ultrasonic Diffuser with Replaceable PLA Insert and Arduino-Controlled Rinse CycleMaker & Industrial Design · easy · 2026-05-25Designed a low-cost, cross-contamination-free aromatherapy diffuser using a 3D-printed replaceable PLA insert and automated rinse cycle, validated by
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Urban-Rural Disparities in Poverty: A Chi-Square Analysis of Metropolitan Status and High Poverty AreasEquity & Disparities · easy · 2026-05-24Equity & Disparities: Is there a statistically significant association between metropolitan classification (metro vs. nonmetro) and the proportion of areas with high poverty (above median) in the United States?
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Design and Validation of an Interchangeable PLA Tank Insert to Reduce Essential Oil Cross-Contamination in Ultrasonic DiffusersMaker & Industrial Design · easy · 2026-05-23Developed a low-cost, 3D-printed insert that reduces scent carryover by 75% using only household materials.
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Predicting Diabetes Prevalence: The Role of Smoking and Obesity Across Urban and Rural Countieschronic_disease · medium · 2026-05-22chronic_disease: How do smoking prevalence and obesity prevalence relate to diabetes prevalence at the county level, and does this relationship differ between urban and rural counties?
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Who reports child sex (as coded in the puf)? Descriptive patterns in NSCH 2022Public health literacy · easy · 2026-05-21Public health literacy: Among children in the NSCH 2022 PUF, how does the prevalence of "Child sex (as coded in the PUF)" vary when we split the sample by "Race/ethnicity, simplified PUF roll-up"?
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Anxiety and School Absenteeism: The Role of Outdoor Play Among U.S. Childrenmental_behavioral_wellness · medium · 2026-05-20mental_behavioral_wellness: Is there an association between parent-reported anxiety problems and missed school days, and does outdoor play moderate this relationship?
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Sports Participation and School Task Completion: Disparities by Poverty Level Among U.S. ChildrenEquity and Access · medium · 2026-05-19Equity and Access: Is sports participation associated with better school task completion, and does this association differ by federal poverty level?
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Exploring the Link Between Developmental Delay and School Task Completion Among U.S. ChildrenEducation and School Connectedness · medium · 2026-05-18Education and School Connectedness: Is there an association between parent-reported developmental delay and how well children complete tasks at school, after accounting for age and sex?
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State-Level Variation in ADHD Diagnosis and School Task Completion Among U.S. ChildrenHealth and Education · medium · 2026-05-17Health and Education: How does the prevalence of ADHD diagnosis vary across U.S. states, and is it associated with parent-reported difficulty completing tasks, controlling for child age and sex?
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Exploring the Link Between Adverse Childhood Experiences and Asthma Diagnosis in U.S. ChildrenPreventive Services and Early Support · medium · 2026-05-16Preventive Services and Early Support: Is there an association between adverse childhood experiences (ACE1) and parent-reported asthma diagnosis (K2Q31A) among U.S. children, after accounting for age and sex?
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Insurance Gaps and Flu Vaccination Among U.S. Children with Special Health Care NeedsHealth Care Access · medium · 2026-05-15Health Care Access: Among children with special health care needs, is there an association between having a gap in health insurance coverage and the likelihood of receiving a flu vaccine in the past 12 months?
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Bullying and Anxiety Among U.S. Children: Does Special Health Care Needs Status Matter?mental health · medium · 2026-05-14mental health: Is there an association between parent-reported bullying at school and parent-reported anxiety problems in children, and does this association differ for children with special health care needs?
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Association Between Adverse Childhood Experiences and Learning Engagement in U.S. ChildrenChild Development and Education · medium · 2026-05-13Child Development and Education: Is there an association between adverse childhood experiences (ACE1) and a child's interest and curiosity in learning (K6Q20), after accounting for child age and sex?
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Association Between Adverse Childhood Experiences and Learning Engagement in U.S. ChildrenChild Development and Education · hard · 2026-05-12Child Development and Education: Is there an association between the number of adverse childhood experiences (ACEs) and a child's interest and curiosity in learning, after accounting for age and sex?
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Association Between Adverse Childhood Experiences and School Engagement Among U.S. ChildrenChild Development and Education · medium · 2026-05-11Child Development and Education: Is there an association between adverse childhood experiences (ACE1) and a child's interest and curiosity in learning (K6Q20), and does this association differ by child age (SC_AGE_YEARS)?
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