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.

Lund University
Skills you'll gain: Intellectual Property, Legal Writing, Law, Regulation, and Compliance, Business Strategy, Competitive Analysis, Mergers & Acquisitions, Advocacy, Commercialization, Brand Strategy, Procurement
Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Image Analysis, Matlab, Computer Vision, Spatial Data Analysis, Digital Signal Processing, Geospatial Information and Technology, Quantitative Research, Algorithms
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Computer Vision, Image Quality, Image Analysis, Computer Graphics, 3D Modeling, Photography, Virtual Reality, Visualization (Computer Graphics), Medical Imaging, Artificial Neural Networks, Unsupervised Learning, Graph Theory, Dimensionality Reduction, Mathematical Modeling, Estimation, Machine Learning Algorithms, Color Theory, Algorithms, Automation Engineering, Electronic Components
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Programming Principles, Computer Science, Computer Programming, Histogram, Package and Software Management, Data Import/Export, Scripting, Scripting Languages, Data Manipulation, Python Programming, Data Science, Software Engineering
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), Data Import/Export, Package and Software Management, R Programming, Data Structures, Data-oriented programming, Statistical Programming, Data Analysis Software, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: File I/O, Data Import/Export, C++ (Programming Language), Data Structures, File Management, Computer Programming, Data Store, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Management, Portfolio Risk, Financial Modeling, Correlation Analysis, Investment Management, Financial Analysis, Risk Modeling
Intermediate · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: C (Programming Language), Software Documentation, Programming Principles, Computer Programming, Debugging, Development Environment, Engineering Calculations
Beginner · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Storytelling, Writing and Editing, Journals, Writing, English Language
Mixed · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Literacy, Demography, Child Development, Human Learning, Language Learning, Childhood Education and Development, Learning Theory, Education Software and Technology, Social Studies, Experimentation
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), File I/O, C++ (Programming Language), Object Oriented Design, Debugging, Computer Programming, Event-Driven Programming, Video Game Development, Unity Engine, Data Structures, C# (Programming Language), Data Storage, 3D Assets, Development Environment, Game Design, Software Documentation, Software Design Patterns, User Interface (UI), Programming Principles
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Mechanics, Problem Solving, Physics, Graphing, Mathematical Modeling, Algebra, Calculus, Physical Science, Applied Mathematics, Mechanical Engineering, Geometry, Trigonometry
Intermediate · Course · 1 - 4 Weeks