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 Minnesota
Skills you'll gain: AI Personalization, Machine Learning Algorithms, Predictive Modeling, Machine Learning Methods, Unsupervised Learning, Data Mining, Algorithms, Correlation Analysis
★ 4.3 (308) · Mixed · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Criminal Investigation and Forensics, Public Safety and National Security, Social Justice, Legal Proceedings, Jury Trial, Political Sciences, Case Law, Neurology, Social Sciences, Policy Analysis, Appeals, Litigation and Civil Justice, Disabilities, Mental and Behavioral Health Specialties, Sociology, Mental Health Diseases and Disorders, Law, Regulation, and Compliance, Cultural Diversity, Investigation, Intelligence Collection and Analysis
★ 4.6 (197) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Web Applications, Web Presence, Front-End Web Development, Web Content, Responsive Web Design, Web Design
★ 4.3 (150) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Engineering, Physics, Probability Distribution, Physical Science, Chemical Engineering, Chemistry, Applied Mathematics
★ 4.3 (271) · Advanced · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Change Management, Organizational Change, Culture Transformation, Workforce Development, Service Level Agreement, Stakeholder Engagement, Vendor Contracts, Organizational Development, Business Transformation, Stakeholder Analysis, Stakeholder Management, Workforce Planning, Contract Management, Governance, Key Performance Indicators (KPIs), Communication Strategies
★ 4.5 (255) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Organizational Change, Sustainable Systems, Performance Improvement, Change Management, Financial Analysis, Systems Thinking, Proposal Development, Cost Benefit Analysis, Business Economics, Capital Budgeting, Environmental Issue, Economics, Stakeholder Engagement, Benchmarking, Environmental Regulations, Cash Flows, Packaging and Labeling
★ 4.7 (216) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Child Development, Advocacy, Research, Research Methodologies, Infant Care, Social Sciences, Data Collection, Anthropology, Human Development, Motion Arguments, Culture, Nutrition and Diet, Community Health, Life Sciences, Environment, Biology, Education and Training
★ 4.9 (286) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Data Management, Cloud Platforms, Cloud Services, Google Cloud Platform, Cloud Technologies, Data Governance, Big Data, Analytics, Data Analysis, Cloud Management, Cloud Storage, Data Warehousing, Data Storage, Disaster Recovery, Digital Transformation, Data Structures, Data Collection
★ 4.6 (174) · Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Radiation Therapy, Medical Imaging, Diagnostic Radiology, Oncology, Medical Equipment and Technology, Patient Positioning, Biomedical Engineering, Medical Equipment, Treatment Planning, Physics, Production Process
★ 4.6 (284) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (235) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Applied Machine Learning, Predictive Modeling, Jupyter, Predictive Analytics, Model Evaluation, Model Optimization, Data Analysis, Machine Learning, Data Science, Python Programming
★ 4.7 (226) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Engineering, Verification And Validation
★ 4.6 (261) · Beginner · Guided Project · Less Than 2 Hours