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.
Skills you'll gain: Debugging, Python Programming, Cybersecurity, Programming Principles, File I/O, IT Automation, Data Import/Export, Algorithms, Automation, Program Development, Computer Programming, File Management, Maintainability
★ 4.8 (3.6K) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Drug Development, Clinical Trials, Pharmaceuticals, Clinical Research, Commercialization, Pre-Clinical Development, Pharmaceutical Sales, Pharmacology, Regulatory Affairs, Pharmaceutical Terminology, Managed Care, Intellectual Property, Sales Strategy, Product Planning, Biotechnology, Portfolio Management, Strategic Partnership, Medical Science and Research, Promotional Strategies, Marketing
★ 4.6 (6.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Wrangling, Data Compilation, Data Collection, Web Scraping, GitHub
★ 4.7 (7.4K) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Cross Platform Development, Experience Design, User Centered Design, UI/UX Research, Responsive Web Design, Human Centered Design, Web Design, Web Presence, Usability, Design Research, Design Thinking, Design Strategies, Usability Testing, Prototyping, Generative AI, Ideation
★ 4.8 (5.1K) · Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Chronic Diseases, Health Disparities, Health Equity, Public Health and Disease Prevention, Healthcare Ethics, Crisis Intervention, Community Health, Public Health, Triage, Long Term Care, Emergency Response, Health Policy, Epidemiology, Preventative Care, Care Management, Health Systems, Social Determinants Of Health, Risk Analysis
★ 4.8 (119) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: ArcGIS, GIS Software, Geographic Information Systems, Geospatial Information and Technology, Data Sharing, Geospatial Mapping, Spatial Analysis, Metadata Management, Data Quality, Data Mapping, Data Visualization, Data Visualization Software, Data Analysis
★ 4.8 (5.9K) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Theoretical Computer Science, Probability, Video Game Development, Bioinformatics, Interactive Design, Animation and Game Design, Python Programming, Data Analysis, User Interface (UI), Computer Science, Computer Programming
★ 4.8 (4.1K) · Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Calculus, Integral Calculus, Algebra, Geometry, Trigonometry, Derivatives, Graphing
★ 4.8 (4K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Statements, Microsoft Excel, Excel Formulas, Balance Sheet, Ledgers (Accounting), Financial Statement Analysis, Financial Data, Income Statement, Bookkeeping, Data Entry, Financial Reporting, Financial Accounting, Profit and Loss (P&L) Management, Spreadsheet Software, Month End Closing
★ 4.5 (882) · Intermediate · Guided Project · Less Than 2 Hours

University of Virginia
Skills you'll gain: Digital Transformation, Business Transformation, Technology Strategies, Digital Analysis, Competitive Analysis, Data Strategy, Organizational Development, Corporate Strategy, Business Strategy, Business Economics, Business Technologies, Emerging Technologies, Market Dynamics, Change Management, Process Development, Innovation, Market Opportunities
★ 4.8 (6.4K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Responsive Web Design, Web Design, User Experience Design, Design Reviews, Wireframing, User Experience, Usability Testing, User Interface and User Experience (UI/UX) Design, User Research, User Centered Design, Design Research, Layout Design, User Interface (UI) Design, Software Design Documents, Prototyping, Mockups, Figma (Design Software), Information Architecture
★ 4.8 (3.9K) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Visualization, Excel Formulas, Plot (Graphics), Microsoft Excel, Data Management, Data Cleansing, Spreadsheet Software, Data Entry, Data Sharing, Data Import/Export, Data Validation, Microsoft Office, Data Analysis Software, Data Integrity, Problem Solving
★ 4.7 (3.7K) · Beginner · Course · 1 - 3 Months