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 Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Storage Technologies, Apache Hadoop, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Scalability, Machine Learning Algorithms, Graph Theory, Machine Learning, Live Streaming
Mixed · Course · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Relational Databases, Data Manipulation, Problem Solving
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Infant Care, Child Health, Child Development, Nutrition and Diet, Safety Standards, Accident Prevention, Patient Positioning, Patient Education And Counseling, Caregiving, Patient Transport, Family Support
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, C and C++, Verification And Validation, Vulnerability Management, Linux, Security Controls, Vulnerability Assessments, Threat Modeling, Data Validation, Debugging, Cryptography, C (Programming Language), Identity and Access Management, Encryption, File Management, OS Process Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Gerontology, Public Health, Exercise Science, Health Policy, Substance Abuse, Medical Science and Research, Pain Management, Research, Immunology, Pharmacology, Risk Analysis, Chronic Diseases, Data Collection, Personal Development, Psychology
Beginner · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Systems Thinking, Case Studies, Network Analysis, Mathematical Modeling, Simulations, Social Sciences, Applied Mathematics, Policy Analysis, Agentic systems, Forecasting, Critical Thinking, Jupyter
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Justice, Social Sciences, Sociology, Cultural Diversity, World History, International Relations, Political Sciences, Policy Analysis, Advocacy, Demography
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Cultural Diversity, Disabilities, Diversity Awareness, Coordinating, Media and Communications, Web Content Accessibility Guidelines, Communication Strategies, Organizational Skills, Performing Arts, Diversity Equity and Inclusion Initiatives, Planning, Needs Assessment, Policy Development, Law, Regulation, and Compliance
Intermediate · Course · 1 - 3 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Chemistry, Social Sciences, Legal Research, Case Law, World History, Liberal Arts, Psychology, Case Studies, Research
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Creativity, Communication, Innovation, Personal Development, Curiosity, Productivity, Time Management, Self-Awareness, Leadership Development, Leadership, Growth Mindedness, Resilience, People Development, Leadership and Management, Adaptability, Change Management, Growth Strategies
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Artificial Intelligence, Machine Learning, Machine Learning Methods, Artificial Neural Networks, Algorithms, Information Privacy, Decision Support Systems, Data Integrity
Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Pharmacology, Drug Development, Clinical Trials, Clinical Research, Pharmaceuticals, Pre-Clinical Development, Infectious Diseases, Patient-centered Care, New Product Development, Medical Science and Research, Informed Consent
Beginner · Course · 1 - 4 Weeks