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 California, Davis
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Dashboard Creation, Data Ethics, Data Storytelling, Visualization (Computer Graphics), Dashboard, Tableau Software, Data Manipulation, Data Import/Export, Data Analysis, Analytical Skills
★ 4.5 (6.8K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, ChatGPT, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Augmented and Virtual Reality (AR/VR), Machine Learning, Data Synthesis
★ 4.6 (4.6K) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Revenue Recognition, Peer Review, Credit Risk, Mergers & Acquisitions, Financial Analysis, Accrual Accounting, Financial Statements, Investment Management, Accruals, Cash Flows, Accounting, Corporate Finance, Financial Statement Analysis, Bookkeeping, Financial Accounting, Finance, Financial Modeling, Investments, Financial Management, Risk Management
★ 4.7 (7K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cell Biology, Physiology, Anatomy, Medical Terminology, Biology, Health Systems, Molecular, Cellular, and Microbiology, Life Sciences, Health Assessment, Basic Patient Care
★ 4.8 (39) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Differential Equations, Linear Algebra, Matlab, Engineering Analysis, Numerical Analysis, Integral Calculus, Mathematical Software, Mechanical Engineering, Calculus, Engineering Calculations, electromagnetics, Algebra, Applied Mathematics, Mathematical Modeling, Engineering, Simulation and Simulation Software, Advanced Mathematics, Geometry, Computational Thinking, Mechanics
★ 4.8 (7.8K) · Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Java Programming, Object Oriented Programming (OOP), User Interface (UI), Object Oriented Design, Computer Programming, User Interface (UI) Design, Algorithms, Software Engineering, Geospatial Mapping, Programming Principles, Software Documentation
★ 4.7 (5.8K) · Intermediate · Course · 1 - 3 Months
Michigan State University
Skills you'll gain: Photography, Peer Review, Photo/Video Production and Technology, Image Quality, Creativity
★ 4.8 (5.3K) · Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Splinting, Airway Management, Obstetrics And Gynecology, Trauma Care, Respiratory Care, Nursing Care, Wound Care, Maternal Health, Emergency Nursing, Nursing, Clinical Nursing, Orthopedics, Childbirth, Augmented and Virtual Reality (AR/VR), Patient Evaluation, Infection Control, Clinical Assessment, Anatomy
★ 4.6 (20) · Mixed · Course · 1 - 3 Months

Rice University
Skills you'll gain: Human Musculoskeletal System, Anatomy, Orthopedics, Kinesiology, Medical Terminology, Physiology
★ 4.9 (32) · Intermediate · Course · 1 - 3 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: Multimodal Prompts, Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Responsible AI, AI literacy, Context Engineering
★ 4.8 (4.3K) · 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, Bioinformatics, Strategic Partnership, Medical Science and Research, Marketing
★ 4.6 (6.5K) · Beginner · Specialization · 3 - 6 Months