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: Excel Macros, Programming Principles, Visual Basic (Programming Language), Program Development, Data Import/Export, Object Oriented Programming (OOP), Microsoft Excel, Problem Solving, Computer Programming, Solution Design, Simulations, Debugging, Code Review, Data Cleansing, Code Reusability, Spreadsheet Software, UI Components, Automation, Data Management, User Interface (UI)
★ 4.8 (4.8K) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Clinical Trials, Clinical Research Ethics, Clinical Research, Healthcare Ethics, Scientific Methods, Statistical Reporting, Ethical Standards And Conduct, Drug Development, Statistical Methods, Statistical Analysis
★ 4.7 (4.4K) · Mixed · Course · 1 - 3 Months

Rice University
Skills you'll gain: Cost Estimation, Project Scoping, Communication Planning, Cost Management, Engineering Management, Scope Management, Project Estimation, Project Schedules, Earned Value Management, Team Management, Quality Assurance, Stakeholder Management, Team Performance Management, Risk Management, Organizational Structure, Project Documentation, Stakeholder Engagement, Project Management, Procurement, Planning
★ 4.7 (4.9K) · Beginner · Specialization · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Ancient History, Art History, Liberal Arts, World History, Aesthetics, Performing Arts, European History, Ethical Standards And Conduct, Anthropology, Sociology, Psychology
★ 4.8 (2.6K) · Mixed · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Regression Analysis, Model Evaluation, Predictive Modeling, Supervised Learning, Statistical Machine Learning, Statistical Modeling, Model Training, Applied Machine Learning, Machine Learning Algorithms, Machine Learning Methods, Feature Engineering, Machine Learning, Data Preprocessing, Model Optimization, Statistical Methods
★ 4.8 (5.6K) · Mixed · Course · 1 - 3 Months

MedCerts
Skills you'll gain: Sterilization, Medical Terminology, Infection Control, Asepsis, Pathology, Hand Hygiene, Sterile Procedure, Anatomy, Occupational Safety and Health Administration (OSHA), Health And Safety Standards, Sanitation, Medical History Documentation, Diagnostic Tests, Safety Standards, Physiology, Patient Communication, Infectious Diseases
★ 4.9 (35) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Research, Energy and Utilities, Vocabulary, Learning Strategies, Climate Change Mitigation, Literacy, English Language, Sustainable Technologies, Environment, Environmental Issue, Language Learning, Scientific Methods, Environmental Science, Grammar
★ 4.8 (2.9K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Bootstrap (Front-End Framework), HTML and CSS, UI Components, User Interface (UI), Front-End Web Development, Responsive Web Design, JavaScript Frameworks, Web Design, Web Development, Web Applications, Hypertext Markup Language (HTML), Full-Stack Web Development, Cascading Style Sheets (CSS), General Networking, Back-End Web Development, React.js, Web Servers
★ 4.7 (3.7K) · Beginner · Course · 1 - 4 Weeks

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Android (Operating System), Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, UI Components, Java Programming, Software Documentation, Event-Driven Programming, Interactive Design, Development Environment, Software Installation, User Centered Design
★ 4.2 (2K) · Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media, Social Media Marketing, Target Audience, Social Media Strategy, Digital Transformation, Professional Networking, Social Media Analytics, Marketing Strategies, Social Network Analysis, Community Development
★ 4.6 (4.2K) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Program Development, Object Oriented Programming (OOP), Computer Programming, Debugging, Data Cleansing, Problem Solving, Code Reusability, Spreadsheet Software, Data Management, Automation
★ 4.8 (4.3K) · Beginner · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Surveys, Survey Creation, Market Research, Business Research, Consumer Behaviour, Data Analysis, Marketing, Marketing Psychology, Research Methodologies, Data Collection, Marketing Strategies, Research Design, Target Market, Customer Insights, Customer Analysis, Decision Making, Psychology
★ 4.4 (4.9K) · Beginner · Course · 1 - 4 Weeks