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 California San Diego
Skills you'll gain: Model Evaluation, Model Deployment, Supervised Learning, Feature Engineering, Predictive Modeling, Data Processing, Data Manipulation, Predictive Analytics, MLOps (Machine Learning Operations), Classification Algorithms, Applied Machine Learning, Data Visualization, Design Thinking, Web Scraping, Machine Learning Algorithms, Flask (Web Framework), Data Visualization Software, Data Validation, Machine Learning, Python Programming
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Basic Electrical Systems, electromagnetics, Electrical Engineering, Physics, Mechanics, Calculus, Engineering Calculations, Mathematical Modeling, Trigonometry, Problem Solving, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Sapienza University of Rome
Skills you'll gain: Ancient History, 3D Modeling, Scientific Methods, Anthropology, Investigation, Data Modeling, Cultural Diversity, Case Studies, Art History, Research, Timelines, Data Management
Mixed · Course · 1 - 3 Months

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

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

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Management, Query Languages, Data Integrity, Performance Tuning, Data Structures
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Scalability, Responsive Web Design, Web Applications, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Virtual Environment, Javascript, Database Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Visualization, Dashboard, Ggplot2, Plot (Graphics), Shiny (R Package), R Programming, Leaflet (Software), Data Analysis, Scatter Plots, Box Plots, Data Science, Spatial Data Analysis, Histogram, UI Components, Application Deployment
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, ChatGPT, Prompt Engineering, OpenAI API, Vector Databases, Embeddings, System Monitoring, Artificial Intelligence, Model Evaluation
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Communication Systems, Digital Communications, Theoretical Computer Science, Telecommunications, Information Management, Probability, Probability Distribution, Linear Algebra, Digital Signal Processing, Algorithms
Mixed · Course · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Economic Development, Community Development, Entrepreneurship, Project Design, Sustainable Development, Socioeconomics, International Relations, Competitive Analysis, New Business Development, Innovation, Business Economics, Policy Development, Governance
Beginner · Course · 1 - 3 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, Functional Design, Package and Software Management, Data Import/Export, Scripting, Scripting Languages, Data Manipulation, Python Programming, Data Science, Software Engineering
Beginner · Specialization · 1 - 3 Months