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.

DeepLearning.AI
Skills you'll gain: LangChain, SQL, LLM Application, Database Systems, Query Languages, Generative AI Agents, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Prompt Engineering
Beginner · Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Data Quality, Data Cleansing, Data Collection, Data Validation, Data Analysis, Data Processing, Threat Detection, Data Access, Sampling (Statistics)
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Compensation Analysis, Meeting Facilitation, Performance Review, Staff Management, Safety Training, Strategic Leadership, Prioritization, Human Resources, Diversity and Inclusion, Performance Management, Human Resources Management and Planning, Recruitment, Time Management, Organizational Strategy, Human Resource Management, Organizational Skills, Stakeholder Management, Strategic Planning, Business Metrics, Leadership
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI, Large Language Modeling, Generative AI, ChatGPT, Prompt Engineering, LLM Application, File Management, Application Programming Interface (API), Application Development, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Development Environment, Version Control
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: International Relations, Sustainable Development, Governance, Socioeconomics, Environment, Economic Development, Natural Resource Management, Environmental Policy, Climate Change Adaptation, Oil and Gas, World History, Environmental Science, Energy and Utilities
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Geometry, Integral Calculus, Calculus, Applied Mathematics, Linear Algebra, Advanced Mathematics, Derivatives, Algebra, Mathematical Theory & Analysis, Graphing
Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Unsupervised Learning, Deep Learning, Graph Theory, Machine Learning Algorithms, Machine Learning, Linear Algebra
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Probability, Applied Mathematics, Advanced Mathematics, Geometry, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Target Audience, Public Relations, Marketing Communications, Advertising Campaigns, Media Strategy, Communication Strategies, Campaign Management, Integrated Marketing Communications, Branding, Earned Media, Brand Management, Paid media, Owned Media, Business Strategy, Shared Media, Employee Engagement
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Personal Development, Resilience, Self-Awareness, Mental Concentration, Accountability, Overcoming Obstacles, Self-Motivation, Persistence, Productivity, Emotional Intelligence, Positivity, Optimism, Stress Management, Goal Setting
Build toward a degree
Beginner · Course · 1 - 3 Months