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.

Stanford University
Skills you'll gain: Food and Beverage, Sustainable Development, Nutrition and Diet, Environment, Water Sustainability, Sustainability Standards, Sustainable Technologies, Climate Change Mitigation, Waste Minimization, Environmental Science, Pollution Prevention, Emerging Technologies, Innovation
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Environmental Science, Environment, Anthropology, Sustainable Development, Teaching, Liberal Arts, Storytelling, Community Development, Biology, Systems Thinking, Cultural Diversity, Physics
Mixed · Course · 1 - 3 Months

Jordan University of Science and Technology
Skills you'll gain: Immunology, Public Health and Disease Prevention, Laboratory Testing, Diagnostic Tests, Public Health, Pathology, Infectious Diseases, Physiology, General Medicine, Internal Medicine, Hematology, Microbiology, Medical Terminology, Cell Biology, Oncology, Molecular Biology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Prompt Engineering, Embeddings, Vector Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Assets, Blockchain, Emerging Technologies, Business Transformation, Digital Transformation, Interoperability, Distributed Computing, Cryptography, Scalability, Business Strategy, Governance
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Jupyter, Matplotlib, Data Visualization, Pandas (Python Package), Data Manipulation, SQL, Seaborn, Data Preprocessing, Database Management, Data Structures, NumPy, Databases, Accounting, Data Modeling, Python Programming, Regression Analysis, Scripting Languages, Scripting
Build toward a degree
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Design Thinking, Business Modeling, Entrepreneurship, Product Development, Prototyping, Presentations, Lean Methodologies, Human Centered Design, Value Propositions, Ideation, Innovation, Emerging Technologies, Market Analysis
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Mobile Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Web Development, Responsive Web Design, Video Game Development, Application Development, Cascading Style Sheets (CSS), Computer Programming, Database Application, Machine Learning
Beginner · 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 California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Hypertext Markup Language (HTML), Web Development Tools, Animations, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Heat Maps, R Programming, Graphical Tools, Data Wrangling, Tidyverse (R Package), Graphics Software
Intermediate · Course · 1 - 4 Weeks