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.

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agile Methodology, Sprint Retrospectives, Agile Project Management, Sprint Planning, User Story, Knowledge Transfer, Goal Setting
Advanced · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Infectious Diseases, Molecular Biology, Computational Thinking, Microbiology, Biology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, R Programming, Statistical Reporting, Data Quality, Data Preprocessing, Statistics, Statistical Methods, Data Manipulation, Data Analysis Software, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe XD, Prototyping, User Experience Design, Usability Testing, UI/UX Research, Figma (Design Software), User Experience, Presentations, Responsive Web Design, Information Architecture, User Story, Storyboarding, User Research, Design, Design Research, Persona (User Experience), User Interface and User Experience (UI/UX) Design, Web Design, User Centered Design, Data Ethics
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Snowflake Schema, Dashboard, Data Warehousing, Database Management, Data Storage, SQL, Business Intelligence, Data Management, Data Visualization Software, Data Analysis, Cloud Computing, Cloud Platforms, Benchmarking, Market Share
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Probability & Statistics, Statistical Analysis, Statistics, Statistical Hypothesis Testing, Statistical Visualization, Descriptive Statistics, Data Analysis, Histogram, Probability Distribution, Correlation Analysis, Statistical Inference, Estimation, Simulation and Simulation Software, Sampling (Statistics), Large Language Modeling, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, OpenAI, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Artificial Intelligence, Model Evaluation, Responsible AI, AI Security, Decision Making
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Linear Algebra, Markov Model, Geometry, Arithmetic, Algebra, General Mathematics, Advanced Mathematics, Probability, Mathematics and Mathematical Modeling, Mathematical Theory & Analysis, Mathematical Modeling, Applied Mathematics, Statistical Methods, Vector Databases, Engineering Analysis, Computational Logic
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Generative AI, AI Enablement, Strategic Thinking, Business Transformation, Prompt Engineering, Automation, Case Studies, Technology Strategies, Innovation, Digital Transformation, Large Language Modeling, Business Process Management, Customer Service
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Cloud Engineering, Command-Line Interface, Data Pipelines, CI/CD, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Test Automation, Algorithms
Intermediate · Course · 1 - 4 Weeks