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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Trend Analysis, Chronic Diseases, Public Health, Public Health and Disease Prevention, Event Monitoring, Infection Control, Data Analysis, Descriptive Analytics, Technical Communication, Anomaly Detection, Infectious Diseases, Law, Regulation, and Compliance, Data Collection, Information Privacy
★ 4.7 (389) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Biological Engineering, Governance, Biotechnology, Policy Analysis, Medical Science and Research, Healthcare Ethics, Clinical Research Ethics, Health Care Procedure and Regulation, Health Policy, Public Policies, Policty Analysis, Research, and Development, Environmental Issue, Ethical Standards And Conduct, Policy Development, Public Health, Case Studies
★ 4.1 (82) · Intermediate · Course · 1 - 3 Months

Nanyang Technological University, Singapore
Skills you'll gain: Systems Engineering, Time Series Analysis and Forecasting, Social Studies, Quantitative Research, Sustainable Development, Critical Thinking and Problem Solving, Simulation and Simulation Software, Agentic systems, Systems Analysis, Computational Thinking, Mathematics and Mathematical Modeling, Graph Theory, Epidemiology, Jupyter
★ 4.7 (35) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Postpartum Care, Respiratory Care, Infant Care, Maternal Health, Respiration, Preventative Care, Pediatric Nursing, Nursing Care, Pediatrics, Health Assessment, Public Health and Disease Prevention, Cardiology, Nutritional Assessment, Clinical Assessment, Diagnostic Tests, Safety Standards
★ 4.8 (91) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Construction Estimating, Engineering Plans And Specifications, Blueprint Reading, Architectural Drawing, Cost Estimation, Building Information Modeling, Project Estimation, Risk Management, Project Risk Management, Architecture and Construction, Cost Management, Technical Drawing, Engineering Drawings, Construction Management, Estimation, Bidding, Construction, Risk Analysis, Presentations, Business Communication
★ 4.3 (17) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Patient Evaluation, Postpartum Care, Pulmonology, Health Assessment, Infant Care, Vital Signs, Cardiology, Respiratory Care, Clinical Assessment, Patient Observation, Child Health, Diagnostic Tests, Medical Equipment and Technology, Pediatrics, Respiration, Anatomy
★ 4.9 (298) · Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Business Reporting, Data Cleansing, Data Visualization, Data Management, Auditing, Analytics
★ 4.4 (35) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Drive Engagement, Parent Communication, Student Engagement, Student Support and Services, Teaching, Instructional Strategies, Pedagogy, Community Development, Instructional Design, K-12 pedagogy, Education Software and Technology, Motivational Skills, Digital pedagogy, Lifelong Learning, Blended Learning, Relationship Building, Diversity and Inclusion, Communication Strategies, Content Creation
★ 4.6 (584) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Informatics, Leadership Studies, Executive Presence, Strategic Communication, Health Technology, Healthcare Ethics, Strategic Planning, Health Care Administration, Health Policy, Leadership, Business Analysis Tools, Business Planning, Communication Strategies, Patient Safety, Innovation, Healthcare Project Management, Telehealth, Team Leadership, Continuous Quality Improvement (CQI), Safety Standards
★ 4.7 (27) · Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Data Validation
★ 4.7 (178) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Systems Thinking, Creative Thinking, Innovation, Systems Analysis, Complex Problem Solving, Analysis, Business Systems Analysis, Strategic Thinking, Critical Thinking, Organizational Change, Decision Making, Collaboration
★ 4.7 (86) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Entrepreneurship, Market Opportunities, Market Research, Market Analysis, Innovation, Target Market, Design Thinking, Go To Market Strategy, Product Strategy, Customer Engagement, Customer Insights, Entrepreneurial Finance, Business Modeling
★ 4.6 (329) · Intermediate · Course · 1 - 3 Months