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: Javascript, HTML and CSS, Event-Driven Programming, Scripting, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Event Monitoring, Data Structures, Debugging
★ 4.7 (941) · Beginner · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Health Disparities, Infectious Diseases, Social Determinants Of Health, Patient-centered Care, Microbiology, Pathology, Infection Control, Immunology, Preventative Care, Diagnostic Tests, Clinical Assessment
★ 4.9 (1.9K) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: GitHub, Unix Shell, Unix, Git (Version Control System), Unix Commands, Version Control, Bash (Scripting Language), grep, Cloud Hosting, Ubuntu, Command-Line Interface, Cloud Computing, Shell Script, Linux, Mac OS, Scripting, Scripting Languages, File Management
★ 4.7 (1.4K) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning Methods, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Predictive Modeling, Data Science, Predictive Analytics
★ 4.7 (848) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Electrical Systems, Basic Electrical Systems, Market Dynamics, Operating Cost, Plant Operations and Management, Environmental Regulations, Regulatory Compliance, Regulatory Requirements, Dispatching
★ 4.8 (1.6K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Substance Abuse, Mental Health, Respiration, Psychiatry, Neurology, Mathematical Modeling, Patient Safety, Physiology, Internal Medicine, Injury Prevention, Life Sciences, Cardiology, Mental Health Diseases and Disorders, Accident Prevention, General Medicine, Economics, Policy, and Social Studies, Public Health, Pharmacology, Public Health and Disease Prevention, Molecular Biology
★ 4.8 (829) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Anomaly Detection, Microsoft Azure, Data Ethics, AI Workflows, Artificial Intelligence, Image Analysis, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, AI literacy, Machine Learning
★ 4.5 (1.1K) · Beginner · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Statistical Inference, Scientific Methods, Statistical Hypothesis Testing, Quantitative Research, Bayesian Statistics, Statistical Software, Statistical Analysis, Statistical Methods, Probability & Statistics, Sample Size Determination, Research, Data Literacy, General Science and Research, Data Sharing
★ 4.9 (803) · Intermediate · Course · 1 - 3 Months

Emory University
Skills you'll gain: Consulting, Management Consulting, Business Consulting, Consultative Approaches, Problem Solving, Analysis, Client Services, Business Analytics, Business Strategies, Organizational Change, Decision Making, Complex Problem Solving
★ 4.8 (1.6K) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Spatial Analysis, ArcGIS, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Data Quality, Data Mapping, Data Modeling, Database Design, Data Storage Technologies, Data Management, Data Literacy, Data Storage, Data Sharing, Data Manipulation, Data Capture, Interactive Data Visualization, Query Languages, Analytics
★ 4.8 (2.1K) · Intermediate · Course · 1 - 4 Weeks

Indian School of Business
Skills you'll gain: Financial Trading, Financial Analysis, Financial Statements, Financial Statement Analysis, Return On Investment, Securities Trading, Financial Market, Market Dynamics, Analysis, Decision Making, Cash Flows, Investments, Statistical Hypothesis Testing, Accruals
★ 4.5 (1.1K) · Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Legal Research, Law, Regulation, and Compliance, International Relations, Court Systems, Regulation and Legal Compliance, Regulatory Compliance, Environmental Laws, Appeals, Public Policies, Case Law, Immigration Law, Labor Compliance, Organizational Structure, Commercial Laws, Economics, Economic Development, Governance, Policy Development
★ 4.8 (1.3K) · Beginner · Course · 1 - 3 Months