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.

Johns Hopkins University
Skills you'll gain: Clinical Trials, Clinical Research Ethics, Clinical Research, Research Design, Scientific Methods, Informed Consent, Drug Development, Statistical Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cell Biology, Physiology, Anatomy, Human Musculoskeletal System, Medical Terminology, Biology, Vital Signs, Health Assessment, Basic Patient Care
Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Therapy, Medical Records, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Electocardiography, Laboratory Testing, Physiology
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Excel Formulas, Regression Analysis, Data Validation, Pivot Tables And Charts, Spreadsheet Software, Data Management, Data Visualization Software, Data Entry, Statistical Modeling, Data Cleansing, Financial Analysis, Predictive Modeling, Financial Modeling, Data Analysis Expressions (DAX), Data Import/Export, Analysis, Mathematical Modeling, Complex Problem Solving, Problem Solving
Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Information Architecture, Wireframing, User Interface and User Experience (UI/UX) Design, Persona (User Experience), Mockups, User Experience Design, Responsive Web Design, UI/UX Strategy, Web Design, Adobe XD, User Interface (UI) Design, User Experience, User Centered Design, Interaction Design, Prototyping, Graphic and Visual Design, Web Language, Design, Design Elements And Principles, User Research
Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java Programming, Java, Program Development, File I/O, Computational Thinking, Computer Science, Algorithms, Animations, Debugging
Beginner · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: User Interface (UI) Design, Graphic and Visual Design, Design, Design Elements And Principles, Human Computer Interaction, Typography, Graphic Design, Layout Design, Information Architecture, Application Design, Interaction Design, User Experience Design
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Probability, Bioinformatics, Interactive Design, Program Development, Big Data, Python Programming, Data Analysis, User Interface (UI), Machine Learning Algorithms, Theoretical Computer Science, Computer Programming
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: Application Deployment, Application Development, Web Applications, Data Modeling, Responsive Web Design, Application Design, Database Design, Systems Design, User Interface (UI) Design, UI Components, Business Logic
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Neurology, Physiology, Anatomy, Cell Biology, Psychology, Pathology, Molecular Biology
Advanced · Course · 3 - 6 Months

Skills you'll gain: Metasploit, Exploit development, Exploitation techniques, Vulnerability, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, System Configuration, Data Security, Cybersecurity, Cyber Attacks, Linux, Bash (Scripting Language), Proxy Servers, Scripting, Linux Commands, Scripting Languages, Python Programming
Mixed · Course · 1 - 4 Weeks