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.
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Economics, Policy, and Social Studies, Demand Planning, Resource Allocation, Market Analysis, Policy Analysis, Decision Making, Investment Management
★ 4.6 (272) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Splunk, Data Analysis, Unstructured Data, Analytics, Data Wrangling, Data Infrastructure, Social Network Analysis, Network Analysis, Classification Algorithms
★ 4.4 (400) · Mixed · Course · 1 - 3 Months

Rice University
Skills you'll gain: Economics, Supply And Demand, Business Economics, Market Dynamics, Economic Development, Economics, Policy, and Social Studies, Financial Policy, Game Theory, Cost Accounting, Socioeconomics, Tax, International Relations, Operating Cost, Public Policies, General Finance, Cost Benefit Analysis, Business Metrics, Market Analysis, Performance Metric, International Finance
★ 4.8 (151) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Applied Mathematics, Advanced Mathematics, Artificial Intelligence and Machine Learning (AI/ML), Engineering Analysis, Mathematical Theory & Analysis, Geometry, Applied Machine Learning, Markov Model
★ 4.7 (231) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Portfolio Management, Portfolio Risk, Finance, Financial Modeling, Return On Investment, Correlation Analysis, Investment Management, Financial Analysis, Asset Management, Mathematical Modeling, Investments, Risk Modeling, Equities, Model Optimization
★ 4.4 (328) · Intermediate · Guided Project · Less Than 2 Hours

University at Buffalo
Skills you'll gain: Process Mapping, Performance Improvement, Data Collection, Process Improvement, Process Improvement and Optimization, Business Process, Business Process Improvement, Process Design, Data Strategy, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Process Flow Diagrams, Business Priorities, Data Validation, Business Process Modeling, Plan Execution, Data Capture, Operational Performance Management, Performance Analysis
★ 4.7 (255) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Cash Flow Forecasting, Financial Forecasting, Cash Flows, Business Valuation, Excel Formulas, Microsoft Excel, Capital Budgeting, Forecasting, Finance, Financial Modeling, Financial Analysis, Corporate Finance
★ 4.3 (340) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: New Product Development, Innovation, Market Opportunities, Ideation, Product Development, Entrepreneurship, Product Management, Customer Analysis, Competitive Analysis, Market Analysis, Consumer Behaviour, Target Audience, Market Intelligence, Business Strategy, Value Propositions
★ 4.4 (234) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Systems Thinking, Materials science, Quantum computing, Physical Science, Biology, Science and Research, Scientific Methods, Mathematical Modeling, Physics, Biochemistry, Applied Mathematics, Neurology, Cell Biology
★ 4.4 (168) · Mixed · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Lifelong Learning, Family Support, Developmental Disabilities, Disabilities, Education and Training, Working With Children, Caregiving, Training Programs, Teaching, Human Learning, Special Education, Long Term Care, Child Development, Learning Theory, Childhood Education and Development, Patient Advocacy, Advocacy, Curriculum Planning, Community Development, Care Coordination
★ 4.8 (196) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Interactive Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Preprocessing, Data Science, Data Cleansing, Matplotlib, NumPy, JSON, Python Programming, File I/O
★ 4.3 (200) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Immunology, Pharmacology, Infectious Diseases, Chronic Diseases, Physiology, Hematology, Preventative Care, Blood Banking, Pathology, Laboratory Testing, Molecular Biology, Diagnostic Tests, Molecular, Cellular, and Microbiology, Cell Biology, Biochemistry
★ 4.8 (332) · Intermediate · Course · 1 - 3 Months