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: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Descriptive Statistics, Statistical Methods, Probability & Statistics, Data Ethics, Data Collection, Exploratory Data Analysis, Statistical Reporting, Logistic Regression, Statistical Modeling, Data Cleansing
Beginner · Course · 1 - 3 Months

The University of Notre Dame
Skills you'll gain: Business Ethics, Market Dynamics, Economics, Socioeconomics, Supply And Demand, Business, Corporate Sustainability, Social Impact, Public Policies
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Social Justice, Cultural Responsiveness, Environmental Issue, Social Studies, Natural Resource Management, Environment, Environment and Resource Management, Cultural Diversity, Culture, Sustainable Development, Sustainable Systems, Cultural Sensitivity, Environmental Laws, Economics, Policy, and Social Studies, World History, Land Management, Environmental Policy, Climate Change Adaptation, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Lean Methodologies, Statistical Hypothesis Testing, Process Capability, Statistical Analysis, Data Analysis, Continuous Improvement Process, Project Management, Statistics, Work Breakdown Structure, Lean Six Sigma, Operational Excellence, Process Analysis, Quality Improvement, Data Collection, Process Improvement, Stakeholder Management, Quality Management
Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Integrity, Data Governance, Data Collection, Quality Assurance, Data Processing, Data Strategy, Data Analysis, Data Management, Model Evaluation, Data Preprocessing, Data Access, Statistical Analysis, Sampling (Statistics), Verification And Validation, Design Strategies, Threat Detection
Beginner · Specialization · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Predictive Analytics, Predictive Modeling, Model Evaluation, R Programming, Preventative Care, Health Informatics, Statistical Modeling, Sample Size Determination, Statistical Inference, Regression Analysis, Precision Medicine, Supervised Learning, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Cleansing, Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling
Beginner · Project · Less Than 2 Hours

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

Skills you'll gain: Application Deployment, Kubernetes, Cloud Deployment, Network Troubleshooting, Performance Tuning, Continuous Deployment, Network Performance Management, Software-Defined Networking, Network Routing, Network Security, Network Protocols, Scalability, System Monitoring
Advanced · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: International Relations, Sustainable Development, Governance, Socioeconomics, Environment, Economic Development, Natural Resource Management, Environmental Policy, Climate Change Adaptation, Oil and Gas, World History, Environmental Science, Energy and Utilities
Intermediate · Course · 1 - 3 Months