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 Colorado Boulder
Skills you'll gain: Data Import/Export, Microsoft Excel, Regression Analysis, Data Validation, Data Visualization, Spreadsheet Software, Data Management, Excel Macros, Data Cleansing, Excel Formulas, Statistical Modeling, Financial Analysis, Productivity Software, Predictive Modeling, Data Sharing, Financial Modeling, Analysis, Mathematical Modeling, Complex Problem Solving, Problem Solving
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Bootstrap (Front-End Framework), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Scripting, Browser Compatibility, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming
Beginner · Specialization · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Sanitation, Crisis Intervention, Public Health, Public Health and Disease Prevention, Water Resources, Chronic Diseases, Emergency Response, Nutrition and Diet, Community Health, Health Systems, Environmental Resource Management, Epidemiology, Health Care, Infectious Diseases
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Microsoft Excel, Business Analytics, Risk Analysis, Business Process Modeling, Business Modeling, Data Modeling, Resource Allocation, Analysis, Statistical Analysis, Mathematical Modeling, Process Optimization, Financial Analysis, Statistical Methods, Predictive Analytics, Transportation Operations, Complex Problem Solving, Linear Algebra
Intermediate · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Arbitration, Court Systems, Mediation, Political Sciences, Legal Research, Legal Proceedings, Diplomacy, Case Law, Legal Hearings, Adjudication, International Relations, Civil Law, Case Studies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Flask (Web Framework), Web Development, Web Applications, Application Development, Object-Relational Mapping, Database Application, Back-End Web Development, Software Development, SQL, Python Programming, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Università Bocconi
Skills you'll gain: Private Equity, Business Valuation, Entrepreneurial Finance, Mergers & Acquisitions, Investments, Financial Management, Legal Risk, Financial Modeling, Tax Laws, Entrepreneurship, Due Diligence, Negotiation
Build toward a degree
Mixed · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Policy Development, Conflict Management, Ethical Standards And Conduct, Crisis Intervention, Policy Analysis, Emergency Response, Mitigation, International Relations, Case Studies, Risk Analysis, Community Development, Risk Management, Research, Climate Change Adaptation, Socioeconomics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Multimodal Prompts, Prompt Engineering, Responsible AI, Context Management
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Network Protocols, Encryption, Data Structures, Distributed Computing, FinTech, Data Integrity, Emerging Technologies, Virtual Machines, Data Validation, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: React.js, Debugging, Web Design and Development, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript
Intermediate · Guided Project · Less Than 2 Hours

The University of Sydney
Skills you'll gain: Calculus, Integral Calculus, Algebra, Advanced Mathematics, Geometry, Engineering Calculations, Trigonometry, Arithmetic, Derivatives, Mathematical Modeling, Graphing, Estimation
Intermediate · Course · 1 - 3 Months