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.

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Browser Compatibility, User Interface and User Experience (UI/UX) Design, Javascript
Mixed · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Qualitative Research, Research, Research Methodologies, Data Collection, Research Design, Social Sciences, Interviewing Skills, Psychology, Analytical Skills
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Graphics, Image Analysis, 3D Modeling, Medical Imaging, Computer Vision, Automation Engineering, Mathematical Modeling
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Brainstorming, Creative Problem-Solving, Ideation, Creative Thinking, Problem Solving, Creativity, Design Thinking, Systems Thinking, Innovation, Analysis
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Statistical Hypothesis Testing, Data-Driven Decision-Making, Descriptive Statistics, Correlation Analysis, Data Analysis, Probability Distribution, Statistical Software, Statistics, Statistical Analysis, Estimation, R (Software), Data Visualization, Risk Analysis, Probability, Statistical Methods, R Programming, Return On Investment, Probability & Statistics, Problem Solving
Build toward a degree
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Scripting, Package and Software Management, Data Import/Export
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Theory, Database Management, Databases, Query Languages, Data Integrity, Data Modeling
Beginner · Course · 1 - 3 Months

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Front-End Web Development, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Java Platform Enterprise Edition (J2EE), Web Applications, Secure Coding, Amazon Elastic Compute Cloud, Back-End Web Development, Spring Boot, Model View Controller, Responsive Web Design, Javascript
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Markov Model, Deep Learning, Data-Driven Decision-Making, Decision Support Systems, Simulations, Probability Distribution, Statistical Methods
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Video Editing, Post-Production, Storyboarding, Editing, Video Production, Cinematography, Animations, Storytelling, Writing and Editing, Music, Typography, Creative Problem-Solving, Communication
Beginner · Specialization · 1 - 3 Months

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

University of Minnesota
Skills you'll gain: Clinical Leadership, Nursing Administration, Health Informatics, Health Policy, Nursing, Health Care Administration, Informatics, Nurse Education, Health Technology, Electronic Medical Record System
Beginner · Course · 1 - 3 Months