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.

Curtis Institute of Music
Skills you'll gain: Classical Music, Music Theory, Music, Music History, Musical Composition
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Public Health, Community Health, Health Policy, Public Health and Disease Prevention, Health Promotion, Media and Communications, Infectious Diseases, Advocacy, Data Collection, Injury Prevention, Nutrition and Diet, Child Health
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Statistical Analysis, Graph Theory, Taxonomy
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Time Series Analysis and Forecasting, Model Evaluation, Predictive Modeling, Data Preprocessing, Regression Analysis, Microsoft Excel, Forecasting, Excel Formulas, Pivot Tables And Charts, Data Transformation, Statistical Modeling, Trend Analysis, Predictive Analytics, Statistical Methods
Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Patient Communication, Informed Consent, Clinical Research, Patient Education And Counseling, Community Outreach, Clinical Trials, Health Equity, Health Disparities, Clinical Research Ethics, Research, Healthcare Ethics, Diversity Awareness, Community Health, Cultural Responsiveness, Rapport Building, Patient Referral, Diversity Equity and Inclusion Initiatives
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Jupyter, Matplotlib, Data Visualization, Pandas (Python Package), Data Manipulation, SQL, Seaborn, Data Preprocessing, Database Management, Data Structures, NumPy, Databases, Accounting, Data Modeling, Python Programming, Regression Analysis, Scripting Languages, Scripting
Build toward a degree
Intermediate · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Pollution Prevention, Oil and Gas, Economics, Sustainable Technologies, Environmental Policy, Environmental Science, Chemical Engineering
Mixed · Course · 1 - 3 Months

Skills you'll gain: Pain Management, Patient Communication, Patient Assistance, Clinical Nutrition, Nutrition and Diet, Patient Education and Support, Patient Evaluation, Direct Patient Care, Health Assessment, Nutrition Education, Communication, Clinical Experience, Health Care, Healthcare Ethics, Patient Safety, Health And Safety Standards, Healthcare Industry Knowledge, Critical Thinking and Problem Solving, Decision Making, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Mobile Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Web Development, Responsive Web Design, Video Game Development, Application Development, Cascading Style Sheets (CSS), Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Cloud-Native Computing, Software Engineering, Distributed Computing, Cloud Storage, Extract, Transform, Load, Google Cloud Platform, Big Data, Cloud Computing, Serverless Computing, Cloud Technologies, Data Lakes, Data Pipelines, Amazon Web Services, Command-Line Interface, Python Programming, Data Governance, NumPy, Rust (Programming Language)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Theoretical Computer Science, System Testing, System Software, Systems Design, Software Architecture, Embedded Systems
Intermediate · Course · 1 - 4 Weeks