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.

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Network Security, Network Troubleshooting, Network Model, Network Analysis, Firewall, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Federated Learning, Transfer Learning, AI Security, Large Language Modeling, PyTorch (Machine Learning Library), Information Privacy, Distributed Computing, Machine Learning
Beginner · Project · Less Than 2 Hours

Peking University
Skills you'll gain: Nursing, Science and Research, Clinical Research, Scientific Methods, Clinical Research Ethics, Medical Science and Research, Biostatistics, Epidemiology
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Writing, Literacy, Storytelling, Language Competency, Creativity, Persuasive Communication, Peer Review
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ruby (Programming Language), Object Oriented Programming (OOP), Debugging, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Apple Xcode, Software Installation, Microsoft Windows, Command-Line Interface
Beginner · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, Legal Technology, Legal Research, Data Ethics, Law, Regulation, and Compliance, AI Workflows, General Data Protection Regulation (GDPR), Regulation and Legal Compliance, Business Process Automation, Workflow Management, Compliance Management, Automation, Legal Strategy, AI Enablement, Electronic Discovery, Productivity Software, Regulatory Requirements, Governance, Research, Analysis
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Collection, Data Processing, Data Analysis, Data Integrity, Model Evaluation, Data Access, Statistical Analysis, Sampling (Statistics)
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Control Systems, Simulations, Mechanics, Angular, Engineering Analysis, Torque (Physics), Mathematical Modeling, Linear Algebra, Differential Equations, Calculus
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Kinesiology, Rehabilitation, Exercise Science, Human Musculoskeletal System, Sports Medicine, Physical Therapy, Neurology, Physiology, Geriatrics
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Student Engagement, Teaching, Empowerment, Instructional Strategies, Writing, Mentorship, Case Studies, Literacy, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Application Development, Web Applications, Javascript
Beginner · Guided Project · Less Than 2 Hours