本项目基于 HTML、CSS、JavaScript 及 D3.js 实现了一个地震数据可视化分析平台。 系统通过对地震数据进行清洗、统计与结构设计，构建多种可视化图表，包括地图分布图、时间趋势折线图及震级统计图，实现了数据的动态交互与多视图联动展示。 本项目用于数据 ...

InSight Crime’s internship program offers the opportunity to work for the leading source of news and analysis on organized crime in Latin America and the Caribbean. Our internship program in the Data ...

June 24, 2026 A study of nearly 300 people across northern Britain found that vitamin D levels often stay low all year in groups most at risk. Surprisingly, summer sunshine did not significantly boost ...

Five to 30 minutes of sun exposure on your face, arms, and legs a few days a week or more can help your body make vitamin D. Factors like time of day, clothing, and season can affect how much vitamin ...

Suzanne Fisher, RD, is a registered dietitian and licensed nutritionist with nearly 35 years of experience in evidence-based nutrition and exercise physiology. If you don’t get enough vitamin D from ...