First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Social Impact, Sustainable Design, Social Justice, Environmental Issue, Socioeconomics, Economic Development, Climate Change Mitigation, Mitigation, Petroleum Industry
★ 5 (15) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Design, Promotional Materials, Marketing Materials, Advertising, Graphic Design, Google Workspace, Marketing, User Accounts
★ 4 (8) · Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Data Modeling, Customer Analysis, Dashboard, Data Transformation, Dashboard Creation, Data Wrangling, Data Import/Export, Data Manipulation, Database Design, Business Intelligence, Interactive Data Visualization, Data Integration, Star Schema, Time Series Analysis and Forecasting, Data Cleansing, Relational Databases, Data Visualization Software
★ 4.8 (14) · Beginner · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vue.JS, JavaScript Frameworks, UI Components, Application Frameworks, Web Frameworks, Web Development Tools, Development Environment, Front-End Web Development, Event-Driven Programming, Web Applications, Android Development, Data Management
★ 3.7 (29) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Technical Communication, Solution Design, Programming Principles, Theoretical Computer Science, Data Structures, Applied Mathematics, Computer Science
★ 4.3 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Microsoft Office, Data Literacy, Communication, Business Strategy
★ 4.6 (15) · Intermediate · Guided Project · Less Than 2 Hours

Imperial College London
Skills you'll gain: Advocacy, Social Determinants Of Health, Health Promotion, Public Health, Health Policy, Health Disparities, Health Systems, Public Health and Disease Prevention, Health Equity, Healthcare Industry Knowledge, International Relations, Socioeconomics, Social Studies, Lobbying, Governance, Research, Political Sciences, Policy Analysis, World History
★ 4.7 (18) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Front-End Web Development, Web Development Tools, Web Design and Development, User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), React.js, Web Development, Web Design, Javascript, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Hypertext Markup Language (HTML), Semantic Web
★ 3.6 (17) · Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Medical Prescription, Drug Interaction, Medication Therapy Management, Pharmacotherapy, Medication Administration, Medication Dispensation, Pharmacology, Pharmacy, Patient Safety, Pharmaceuticals, Patient Education And Counseling, Health Care, Pharmaceutical Terminology
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Convolutional Neural Networks, Autoencoders, Recurrent Neural Networks (RNNs), Image Analysis, Embeddings, Model Deployment, Applied Machine Learning, Artificial Neural Networks, Health Informatics, Machine Learning, Medical Science and Research, Unsupervised Learning, Dimensionality Reduction
★ 3.9 (15) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Generative AI, Fine-tuning, Vision Transformer (ViT), Machine Learning Methods, Model Optimization, Model Training, Large Language Modeling, Embeddings, Network Architecture
★ 4.6 (18) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Hazard Analysis, Environment Health And Safety, Health Assessment, Safety Standards, Health And Safety Standards, Chemistry, Risk Analysis, Sustainable Engineering, Pollution Prevention, Analytical Chemistry, Personal Care, Epidemiology, Product Lifecycle Management, Environmental Regulations, Environmental Science, Child Health
★ 5 (12) · Intermediate · Course · 1 - 4 Weeks