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 System
Skills you'll gain: Infrastructure Security, Public Safety and National Security, Cybersecurity, Cyber Attacks, Cyber Security Policies, Security Strategy, Threat Modeling, Policty Analysis, Research, and Development, World History, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cybersecurity, Cyber Security Assessment, Network Security, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Vulnerability Assessments, Application Security, Intrusion Detection and Prevention, Security Awareness, Web Servers
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Health Disparities, Public Health, Social Determinants Of Health, Infectious Diseases, Health Care, Health Systems, Health Policy, Socioeconomics, Health Assessment, Chronic Diseases, Statistical Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Policy Development, Conflict Management, Ethical Standards And Conduct, Crisis Intervention, Policy Analysis, Emergency Response, Mitigation, International Relations, Case Studies, Risk Analysis, Community Development, Risk Management, Research, Climate Change Adaptation, Socioeconomics
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Anthropic Claude, ChatGPT, Generative AI, Creative Thinking, Brainstorming, Game Design, Critical Thinking, Problem Solving
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Trend Analysis, Chronic Diseases, Public Health, Public Health and Disease Prevention, Health Policy, Data Analysis, Biostatistics, System Monitoring, Health Informatics, Technical Communication, Media and Communications, Infectious Diseases, Law, Regulation, and Compliance, Data Ethics, Data Collection, Risk Analysis, Information Privacy
Beginner · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Data Manipulation, Data Processing, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Scalability, Graph Theory, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Presentations, Public Speaking, Non-Verbal Communication, Constructive Feedback, Communication Strategies, Persuasive Communication, Driving engagement, Student Engagement, Organizational Skills, Planning
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Economics, Behavioral Economics, Supply And Demand, Policy Analysis, Market Dynamics, Business Economics, Public Policies, Socioeconomics, Consumer Behaviour, Political Sciences, Decision Making
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Constructive Feedback, Employee Performance Management, Performance Management, Leadership Studies, Cognitive flexibility, Employee Engagement, Leadership and Management, Empowerment, Active Listening, Communication Strategies
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Scientific Methods, Research, General Science and Research, Critical Thinking, Probability, Research Design, Bayesian Statistics, Probability & Statistics, Experimentation, Investigation, Decision Making
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Sanitation, Crisis Intervention, Public Health, Public Health and Disease Prevention, Water Resources, Chronic Diseases, Emergency Response, Nutrition and Diet, Community Health, Health Systems, Environmental Resource Management, Epidemiology, Health Care, Infectious Diseases
Beginner · Course · 1 - 3 Months