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.

Skills you'll gain: Clinical Nursing, Basic Nursing Skills, Patient Observation, Patient-centered Care, Nursing Care, Infection Control, Patient Evaluation, Patient Communication, Emergency Response, Nursing Process, Clinical Assessment, Medical Emergency, Nursing, Nursing Practices, Health Assessment, Communication, Medical Equipment and Technology, Health Care, Healthcare Ethics, Anatomy
Beginner · Course · 1 - 4 Weeks
Stanford Online
Skills you'll gain: Bayesian Network, Applied Machine Learning, Machine Learning Algorithms, Bayesian Statistics, Machine Learning Methods, Markov Model, Statistical Machine Learning, Machine Learning, Network Model, Unsupervised Learning, Statistical Modeling, Model Training, Probability Distribution, Model Optimization, Statistical Methods, Probability & Statistics, Algorithms
★ 4.6 (305) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Plotly, Dashboard, Plot (Graphics), Pandas (Python Package), Dashboard Creation, Data Manipulation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Web Applications, Web Design and Development, Application Development, Data Presentation, Data Science, Python Programming
★ 4.7 (403) · Intermediate · Guided Project · Less Than 2 Hours
Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, AI Enablement, Artificial Neural Networks, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Product Strategy, AI literacy, Generative AI, Generative AI Agents, Machine Learning Methods, Deep Learning, Machine Learning, LLM Application, Convolutional Neural Networks, Supervised Learning, Fraud detection, Reinforcement Learning, Ethical Standards And Conduct, Unsupervised Learning
★ 4.8 (232) · Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Software Documentation, Programming Principles, Computer Programming, Embedded Software, Computer Programming Tools, Computational Logic, Linux
★ 4.6 (270) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Process Control, Laboratory Equipment, Manufacturing Processes, Embedded Software, Electronic Systems, Verification And Validation, Semiconductors, Laboratory Testing, Health Technology, Electronics Engineering, Medical Devices, Electronic Components, Performance Tuning, Network Protocols
★ 4.6 (322) · Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Model Evaluation, Statistical Methods, R Programming, Statistical Modeling, Predictive Modeling, Statistical Analysis, Biostatistics, Statistical Software, Predictive Analytics, Probability & Statistics, R (Software), Public Health, Data Preprocessing
★ 4.8 (368) · Intermediate · Course · 1 - 4 Weeks

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 (240) · 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

ESSEC Business School
Skills you'll gain: Mediation, Negotiation, Conflict Management, Intercultural Competence, Cultural Diversity, Case Studies, Analysis, Value Propositions, Peer Review, Process Design
★ 4.8 (288) · Intermediate · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: 3D Assets, Ancient History, 3D Modeling, Visualization (Computer Graphics), Public History, Scientific Methods, Data Sharing, Anthropology, Data Modeling, Case Studies, Cultural Sensitivity, Liberal Arts, Research, Data Management, Data Collection
★ 4.4 (310) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Systems, Sustainable Technologies, Sustainable Business, Organizational Leadership, Corporate Sustainability, Strategic Leadership, Environmental Resource Management, Business Leadership, Sustainable Architecture, Environment and Resource Management, Environmental Issue, Environment, Land Management, Climate Change Adaptation, Building Design, Climate Change Mitigation, Energy and Utilities, Economics
★ 4.7 (429) · Intermediate · Course · 1 - 3 Months