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: Real-Time Operating Systems, Embedded Systems, Embedded Software, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Systems Analysis, Test Tools, Theoretical Computer Science, Verification And Validation, Algorithms
★ 4.3 (20) · Advanced · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Project Finance, Financial Systems, Finance, Financial Market, Securities (Finance), Climate Change Programs, Environmental Social And Corporate Governance (ESG), Environmental Issue, Corporate Finance, Climate Change Mitigation, Risk Modeling, Corporate Sustainability, Financial Policy, Corporate Strategy, Credit Risk, Financial Regulation, Investments, Climate Change Adaptation, Investment Management, Sustainable Business
★ 4.6 (129) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Immunology, Infectious Diseases, Public Health and Disease Prevention, Preventative Care, Biological Engineering, Public Health, Oncology, Molecular Biology, Microbiology, Pharmaceuticals, Drug Development, Pharmacology, Medical Science and Research, Precision Medicine
★ 4.8 (117) · Mixed · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Health Care Procedure and Regulation, Public Health and Disease Prevention, Public Health, Infectious Diseases, Environment Health And Safety, Health Policy, Infection Control, Health Equity, Epidemiology, Health Systems, International Relations, Public Safety and National Security, Emergency Response, Health Assessment, Economics, Policy, and Social Studies, Governance
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Energy and Utilities, Case Studies, Property Management, Building Services Engineering, Facility Management, Real Estate, Plant Operations and Management, Thermal Management, Building Codes, HVAC, Analysis, Auditing, Simulation and Simulation Software, Sustainable Technologies
★ 4.5 (182) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Engineering Design Process, Prototyping, Engineering Drawings, Assembly Drawing, Product Design, Product Testing, Hardware Design, Mockups, Product Development, Usability Testing, Manufacturing Processes, Conceptual Design, Cost Estimation, Design Strategies, Research and Design, Materials science, Electronics
★ 4.7 (125) · Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Computer Programming Tools, Development Environment, Software Development Tools, UI Components, Web Development, Front-End Web Development, Program Development, Interactive Design, Open Source Technology, GitHub, Graphic and Visual Design
★ 4.7 (135) · Beginner · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Machine Learning Algorithms, Molecular Biology, Machine Learning Methods, Data Mining, Data Preprocessing, Machine Learning, Data Analysis Software, Life Sciences
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Education and Training, Mindfulness, Teaching, Self-Awareness, Courage, Empathy & Emotional Intelligence, Pedagogy, Meditation & Breathwork, Higher Education, Storytelling, Parent Communication, Cultural Responsiveness, Trustworthiness, Stress Management, Emotional Intelligence, Community Development, Collaboration, Liberal Arts
★ 4.6 (158) · Advanced · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Chemical Engineering, Process Engineering, Occupational Hygiene, Hazard Communication (HazCom), Hazard Analysis, Occupational Health, Health And Safety Standards, Environment Health And Safety, Safety Standards, Accident Prevention, Equipment Design, Risk Management
★ 4.8 (63) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Culture, Social Studies, Social Sciences, Sociology, Anthropology, Social Justice, Media and Communications, Cultural Diversity, Environmental Issue
★ 4.7 (150) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Responsible AI, AI Product Strategy, Generative AI, Risk Analysis, Risk Mitigation, Strategic Thinking, Brainstorming, AI Integrations, LLM Application, Business Analysis, Feasibility Studies
★ 4.7 (136) · Intermediate · Course · 1 - 4 Weeks