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.

CVS Health
Skills you'll gain: Transaction Processing, Retail Sales, Retail Store Operations, Cash Register Operation, Greeting Customers, Customer Inquiries, Teamwork, Customer Service, Data Entry, Customer Relationship Building, Point of Sale, E-Commerce, Order Management Systems, Professionalism, Payment Processing and Collection, Communication, Time Management, Social Media
Beginner · Course · 1 - 3 Months

Howard University
Skills you'll gain: Linear Algebra, Data Visualization, Applied Mathematics, NumPy, Jupyter, Mathematical Modeling, Data Science, Python Programming, Software Installation, Data Manipulation, Git (Version Control System)
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Markov Model, Deep Learning, Data-Driven Decision-Making, Decision Support Systems, Simulations, Probability Distribution, Statistical Methods
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Unsupervised Learning, Model Evaluation, Time Series Analysis and Forecasting, Supervised Learning, Machine Learning, Feature Engineering, Artificial Intelligence, Deep Learning, Classification Algorithms, Statistical Analysis, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Culture, Ancient History, Cultural Diversity, World History, Art History, Liberal Arts, Anthropology, Sociology, Storytelling
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Advanced Mathematics, Simulations, Mechanics, Mathematical Modeling, Calculus, Differential Equations, Physical Science, Computer Programming
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Business Economics, Market Dynamics, Economics, Game Theory, Supply And Demand, Operating Cost, Cost Benefit Analysis, Market Analysis, Consumer Behaviour, Policty Analysis, Research, and Development, Decision Making
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Automation, Email Marketing, Marketing Automation, Automation, Personalized Service, Editing, Content Creation
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Personal Development, Growth Mindedness, Initiative and Leadership, Personal Attributes, Accountability, Leadership, Resilience, Visionary, Goal Setting, Social Impact
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Social Justice, Environmental Issue, Health Equity, Health Disparities, Environmental Policy, Social Determinants Of Health, Risk Management, Mitigation, Risk Analysis, Public Health, Health Assessment, Policy Development
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks