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.

Vanderbilt University
Skills you'll gain: SQL, Generative AI, AI literacy, Data Visualization, Interactive Data Visualization, Prompt Patterns, Data Analysis, Debugging, Exploratory Data Analysis, ChatGPT, Prompt Engineering, Databases, Context Engineering, Data Validation, Code Reusability
★ 4.8 (85) · Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Language Interpretation, Translation, and Studies, Natural Language Processing, Quality Assurance, Multilingualism, Technical Communication, Collaborative Software, Vocabulary
★ 4.6 (83) · Intermediate · Course · 3 - 6 Months

University of Geneva
Skills you'll gain: Health Care Procedure and Regulation, Public Health and Disease Prevention, Public Health, Infectious Diseases, Environment Health And Safety, Health Policy, Infection Control, Health Equity, Epidemiology, Health And Safety Standards, Health Systems, International Relations, Public Safety and National Security, Emergency Response, Health Assessment, Economics, Policy, and Social Studies, Governance
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Model, IT Automation, Network Engineering, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Administration, Scripting Languages, Network Infrastructure, Linux Commands, Python Programming, Restful API, Network Protocols, Command-Line Interface, Program Development
★ 4.6 (94) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ideation, Market Analysis, Market Dynamics, Feasibility Studies, Verification And Validation, Performance Testing, Customer Insights, Good Manufacturing Practices, Supply Management, Process Optimization, Quality Control
★ 4.8 (77) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Immunology, Infectious Diseases, Public Health and Disease Prevention, Preventative Care, Biological Engineering, Public Health, Oncology, Molecular Biology, Microbiology, Pharmaceuticals, Drug Development, Pharmacology, Medical Science and Research, Precision Medicine
★ 4.8 (118) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Requirements Management, Robotic Process Automation, Requirements Elicitation, Business Process Automation, Requirements Analysis, User Requirements Documents, Business Requirements, Stakeholder Engagement, Business Analysis, Automation, Business Process Modeling, Business Process, Process Analysis, Stakeholder Management, Stakeholder Communications, Functional Specification, Business Workflow Analysis, Stakeholder Analysis, Process Modeling, Project Scoping
★ 4.7 (90) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Software Architecture, Amazon DynamoDB, Database Management, Cloud Applications, Databases, Amazon Web Services, Event-Driven Programming, API Gateway, Cloud Development, Serverless Computing, Python Programming, Cloud API, Application Deployment, Service Oriented Architecture, Microservices, Programming Principles, Scripting Languages, Application Development, Web Development, Automation
★ 4.6 (108) · Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Sustainable Systems, Sustainable Development, Systems Thinking, Sustainable Business, Corporate Sustainability, Policy Development, Environmental Issue, Policy Analysis, Research, and Development, Environmental Policy, Environmental Science, Climate Change Programs, Innovation, Natural Resource Management, Climate Change Adaptation, Community Development, Predictive Modeling, Climate Change Mitigation, Spatial Data Analysis, Resource Utilization, Geospatial Information and Technology
★ 4.7 (125) · Beginner · Course · 1 - 3 Months
Utrecht University
Skills you'll gain: Lobbying, Social Justice, Political Sciences, Economics, Policy, and Social Studies, Socioeconomics, Tax Laws, Civil Law, Social Sciences, Economics, Policy Analysis, Public Affairs, Liberal Arts, Public Policies, Governance, International Finance
★ 4.7 (76) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Analytics, Network Model, Business Intelligence, Information Management, Data Analysis, Asset Management, Business Analytics, Advanced Analytics, Case Studies, Business Economics, Information Technology, Data Management, Intellectual Property, Innovation, Accounting
★ 4.6 (121) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Generative AI, Tensorflow, Autoencoders, Generative Model Architectures, Bayesian Network, Deep Learning, Image Analysis, Bayesian Statistics, Model Optimization, Probability Distribution, Model Training, Sampling (Statistics), Data Transformation
★ 4.7 (109) · Advanced · Course · 1 - 3 Months