Think Again courses can help you learn how to question assumptions, evaluate evidence, and update your views as you gain new information. You can build skills in critical thinking, perspective-taking, and constructive debate that support better decisions in work and everyday life. Many courses introduce frameworks, reflective exercises, and real examples that encourage rethinking familiar ideas and exploring alternative viewpoints.

University of Colorado Boulder
Skills you'll gain: Embedded Systems, Electronic Hardware, Embedded Software, Hardware Design, Electronics Engineering, Electronics, Electronic Components, Thermal Management, Design Specifications, Debugging, Schematic Diagrams, Development Environment
Build toward a degree
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: User Feedback, Functional Testing, Root Cause Analysis, UI/UX Research, Experience Design, User Experience, Problem Management, User Interface (UI) Design, Integration Testing, Application Development, Network Troubleshooting, Investigation
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, AI Workflows, Performance Tuning, Model Deployment, Prompt Engineering, Enterprise Application Management, Maintainability, System Monitoring, Scalability, Application Performance Management, Cost Reduction, Vector Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Laboratory Experience, Quality Control, Product Development, Packaging and Labeling, Quality Assurance, Laboratory Equipment, Prototyping, Product Quality (QA/QC), New Product Development, Laboratory Procedures, Statistical Process Controls, Product Design, Good Manufacturing Practices, Quality Management, Product Testing, Design Specifications, Chemistry, Safety Standards, Personal Care, Microbiology
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Scenario Testing, Test Planning, Unit Testing, Functional Testing, Test Case, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Patient Communication, Patient Education And Counseling, Spanish Language, Patient-centered Care, Medical Terminology, Language Competency, Vocabulary, Diagnostic Tests, Cultural Diversity, Grammar
Intermediate · Course · 1 - 3 Months
Michigan State University
Skills you'll gain: Photography, Photo Editing, Image Quality, Peer Review, Digital Publishing, Creativity, Information Privacy, Web Design and Development
Mixed · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Empathy & Emotional Intelligence, Social Sciences, Culture, Psychology, Anthropology, Artificial Intelligence, Human Development, Human Computer Interaction, Robotics
Beginner · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Serverless Computing, AWS Identity and Access Management (IAM), Event-Driven Programming, Solution Architecture, Cloud Computing Architecture, Amazon Web Services, Software Architecture, API Gateway, Hybrid Cloud Computing, Cloud Management, Multi-Tenant Cloud Environments, Performance Tuning, Amazon DynamoDB, Amazon S3, Cloud Security, AWS Kinesis, Data Analysis, Containerization, Data Visualization
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Compliance Training, Compliance Management, Internal Communications, Procedure Development, Continuous Monitoring, Culture Transformation, Industrial and Organizational Psychology, Ethical Standards And Conduct, Psychology, Strategic Planning
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Vulnerability Assessments, Data Security, Application Security, Exploitation techniques, Security Controls, Software Design, Verification And Validation, Java, Code Review, Programming Principles, Debugging, Cybersecurity
Intermediate · Specialization · 3 - 6 Months

The Chinese University of Hong Kong
Skills you'll gain: Entrepreneurship, Peer Review, Market Opportunities, Business Planning, Innovation, Consumer Behaviour, Business Leadership, Brand Management, Strategic Thinking, Marketing, Business Strategy, Business Development, Global Marketing, Strategic Marketing, Business Consulting, Business Strategies, Digital Media Strategy, Strategic Partnership, Competitive Analysis, Go To Market Strategy
Beginner · Specialization · 3 - 6 Months