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 California San Diego
Skills you'll gain: Bioinformatics, Dimensionality Reduction, Unsupervised Learning, Molecular Biology, Data Preprocessing, Machine Learning, Data Analysis Software, Life Sciences, Anthropology
Intermediate · Course · 1 - 4 Weeks

Tel Aviv University
Skills you'll gain: Cultural Diversity, Diversity Awareness, Immigration Law, Social Justice, Social Sciences, International Relations, World History, Socioeconomics, Culture, Political Sciences, Sociology, Diplomacy, Economic Development, Social Impact, Public Safety and National Security, Demography, Economics, Governance
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Object Oriented Programming (OOP), Video Game Development, Web Applications, Data Persistence, Scripting, Computer Programming, Front-End Web Development, Web Development, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Android Studio, Android Jetpack, Responsive Web Design, Kotlin, Mobile Development, User Interface (UI) Design, User Interface (UI), Cross Platform Development, Animations
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainability Standards, Sustainable Development, Sustainability Reporting, Sustainable Business, Corporate Sustainability, Consulting, Business Consulting, Environmental Management Systems, Product Lifecycle Management, Environment, Analysis
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: No-Code Development, Email Automation, Business Process Automation, Application Deployment, Automation, Business Process, Workflow Management, Google Workspace, Application Design, Application Development, Application Performance Management, User Interface and User Experience (UI/UX) Design, Data Integration, Authorization (Computing), Authentications, Cloud Applications, Google Sheets, Application Lifecycle Management, User Interface (UI), Data Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Blended Learning, Course Development, Web Content Accessibility Guidelines, Education Software and Technology, Digital pedagogy, Language Learning, Technology Strategies
Intermediate · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Semiconductors, Display Devices, Computer Displays, Electronics, Electronic Components, Electrical Engineering, Materials science, Chemistry
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Visualization, Data Analysis, Research Design, Descriptive Statistics, Analytics, Analysis, Statistics, Quantitative Research, Statistical Methods, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Imperial College London
Skills you'll gain: Health Systems, Health Equity, Health Care, Health Assessment, Health Policy, Health Disparities, Health Care Administration, Governance, Public Health, Sustainable Development
Beginner · Course · 1 - 4 Weeks