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.

Universidad de los Andes
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, UI Components, Web Development, Web Design, Front-End Web Development, Web Applications, Typography
★ 4.6 (182) · Beginner · Course · 1 - 3 Months

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

MedCerts
Skills you'll gain: Healthcare Ethics, Direct Patient Care, Occupational Safety and Health Administration (OSHA), Safety Training, Sterilization, Patient Transport, Safety Standards, Nursing and Patient Care, Nursing Basics, Caregiving, Patient Observation, Blood Pressure, Dignity in Care, Patient Assistance, Basic Nursing Skills, Lifting Ability, Clinical Monitoring, Medical Privacy, Health Care, Toileting
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Transportation, Supply Chain, and Logistics, Transportation Operations, Purchasing, Logistics Management, Supply Chain Planning, Service Management, Manufacturing Operations, Demand Planning
★ 4.8 (200) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Child Development, Advocacy, Research, Research Methodologies, Infant Care, Social Sciences, Data Collection, Anthropology, Human Development, Motion Arguments, Culture, Nutrition and Diet, Community Health, Life Sciences, Environment, Biology, Education and Training
★ 4.9 (286) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Operational Analysis, Financial Modeling, Performance Metric, Accounting, Finance, Investments
★ 4.6 (218) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Advanced Mathematics, Engineering Analysis, Applied Mathematics, Mathematical Theory & Analysis, Geometry
★ 4.7 (180) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (235) · Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Mechanics, General Science and Research, Physical Science, Systems Of Measurement, Mathematical Modeling, Applied Mathematics, Scientific Visualization
★ 4.6 (173) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Threat Detection, Threat Management, Network Performance Management, Security Awareness
★ 4.7 (163) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Finite Element Methods, Engineering Analysis, Simulation and Simulation Software, Simulations, Mechanical Design, Mathematical Modeling, Structural Engineering, Structural Analysis, 3D Modeling
★ 4.7 (218) · Intermediate · Guided Project · Less Than 2 Hours
University of Virginia
Skills you'll gain: Design Thinking, Innovation, User Research, Design Research, Human Centered Design, Project Scoping, Planning, Project Planning, Growth Mindedness, User Feedback, Strategic Thinking, Qualitative Research, Interviewing Skills, Customer Insights, Empathy
★ 4.7 (155) · Beginner · Course · 1 - 3 Months