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.

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Cloud API, Hypertext Markup Language (HTML), Web Development, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Real Time Data, Javascript
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Statistical Analysis, Molecular Biology, Graph Theory
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Public Health, Community Health, Health Policy, Public Health and Disease Prevention, Health Promotion, Media and Communications, Infectious Diseases, Advocacy, Data Collection, Injury Prevention, Nutrition and Diet, Child Health
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Peer Review, Financial Management, Financial Modeling, Financial Data, Financial Statement Analysis, Investment Management, Financial Analysis, Financial Forecasting, Data Storytelling, Mergers & Acquisitions, Cash Flows, Business Valuation, Case Studies, Risk Management, Corporate Strategy, Risk Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Wireframing, Adobe XD, Mockups, Storyboarding, Information Architecture, User Experience Design, Usability Testing, Graphic and Visual Design, Figma (Design Software), Design Elements And Principles, UI/UX Research, Design Reviews, Responsive Web Design, Presentations, User Story, User Interface and User Experience (UI/UX) Design, Prototyping, Ideation, Web Design, User Centered Design
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Vibrations, Mechanics, Torque (Physics), Control Systems, Engineering Analysis, Differential Equations, Mathematical Modeling, Engineering, Simulation and Simulation Software, Applied Mathematics, Linear Algebra, Physics, Calculus
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Management, Robotic Process Automation, Requirements Elicitation, Business Process Automation, Requirements Analysis, Business Requirements, Stakeholder Engagement, Business Analysis, Automation, Business Process, Process Analysis, Stakeholder Management, Stakeholder Communications, Project Scoping, Process Mapping, Business Strategy
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Network Model, Digital Assets, Business Intelligence, Information Management, Data Analysis, Asset Management, Business Analytics, Advanced Analytics, Business Valuation, Data Strategy, Data-Driven Decision-Making, Business Economics, Information Technology, Competitive Intelligence, Data Management, Innovation, Accounting
Build toward a degree
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, PL/SQL, Database Management, Relational Databases, Database Design, Databases, Data Modeling
Beginner · Course · 1 - 4 Weeks
Utrecht University
Skills you'll gain: Lobbying, Political Sciences, Socioeconomics, Tax Laws, Social Sciences, Economics, Commercial Laws, Policy Analysis, Governance
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Verification And Validation, Pharmacology, Environmental Science, Research, Safety Assurance, Scientific Methods, Biostatistics, Bioinformatics, Research Methodologies, Environmental Regulations, Research Design, Risk Analysis, Data Synthesis
Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Ethics, Responsible AI, Regulatory Compliance, Business Ethics, Compliance Management, AI Enablement, Applied Machine Learning, Project Implementation, AI Product Strategy, Business Solutions, Solution Design, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Model Evaluation, MLOps (Machine Learning Operations), Data-Driven Decision-Making, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks