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.

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Browser Compatibility, Frontend Integration, Javascript, Interactive Design, Hypertext Markup Language (HTML), Cross Platform Development
★ 4.5 (28) · Intermediate · Guided Project · Less Than 2 Hours

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, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Manipulation
★ 4.7 (35) · Beginner · Course · 1 - 3 Months

Interplay Learning
Skills you'll gain: Electrical Safety, Personal protective equipment, Fire And Life Safety, HVAC, Occupational Safety And Health, Safety Training, High Voltage, Safety Standards, Fall Protection, Facility Repair And Maintenance, Accident Prevention, Injury Prevention, Facility Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Electronics Engineering, Electrical Engineering, 3D Modeling, Electronics, Electronic Components, Simulation and Simulation Software, Simulations, Design Software, Design Specifications, Digital Signal Processing, Verification And Validation, Open Source Technology, Data Import/Export
★ 5 (35) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Human Development, Biology, Child Development, Music, Decision Making, Liberal Arts, Life Sciences, Education and Training, Psychology, Performing Arts, Medical Science and Research, Pedagogy, Business Research, Business Economics, Clinical Trials, Instructional and Curriculum Design
★ 4.4 (43) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: AI powered creativity, AI literacy, Art History, Artificial Intelligence, Creativity, Innovation, Collaboration, Experimentation
★ 4.7 (48) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Growth Mindedness, Leadership Development, Professional Development, Personal Integrity, Personal Development, Leadership, Self-Awareness, Lifelong Learning, Engineering Management, Visionary, Ethical Standards And Conduct, Goal Setting
★ 4.8 (42) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Medical Imaging, Patient Evaluation, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Coordination, Patient Education And Counseling, Patient-centered Care, Patient Treatment, Patient Flow, Health Care, Telecommunications, Care Management, Communication
★ 4.9 (57) · Beginner · Specialization · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Network Analysis, Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Data Cleansing, Databases, Social Media Analytics, Data Processing, Text Mining, Social Sciences, Applied Machine Learning, Data Collection, Analysis, Unstructured Data, Social Studies, Simulations, Computational Thinking
★ 4.7 (44) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, Fine-tuning, OpenAI, Large Language Modeling, Generative AI, ChatGPT, Prompt Engineering, Generative Model Architectures, LLM Application, Token Optimization, File Management, Embeddings, Classification Algorithms, Application Development, Model Training, Python Programming
★ 3.7 (23) · Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Decision Making, Critical Thinking, Critical Thinking and Problem Solving, Deductive Reasoning, Analytical Skills, Independent Thinking, Data Literacy, Decision Intelligence, Data-Driven Decision-Making, Behavioral Economics, Complex Problem Solving, Data Analysis, Cooperation, Artificial Intelligence, Emotional Intelligence, Open Mindset, Self-Awareness, Psychology, Communication, Algorithms
★ 4.9 (45) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Mathematics and Mathematical Modeling, Calculus, Advanced Mathematics, Differential Equations, Mathematical Theory & Analysis, Trigonometry
★ 4 (44) · Mixed · Course · 1 - 3 Months