Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore the future of medicine through digital wireless devices, revolutionizing healthcare with innovative technologies and personalized patient care.
Discover a powerful model for inspiring action through leadership, exploring the 'Why' behind successful organizations and individuals. Gain insights to transform your approach to leadership.
Chemical biologist David R. Liu discusses base editors, a breakthrough in genome editing that can directly rewrite DNA, potentially treating or curing genetic diseases.
Visionary entrepreneur Elon Musk discusses innovative projects including underground tunnels, electric vehicles, space exploration, and Mars colonization, sharing insights on technology's potential to shape humanity's future.
Skeptic James Randi debunks homeopathy and challenges psychics in this provocative talk, demonstrating the dangers of irrational beliefs and the importance of critical thinking.
Discover the importance of emotional hygiene and learn practical strategies for managing psychological pain, promoting mental well-being, and seeking professional help when needed.
Explore Zika's origins, spread, and a controversial solution to prevent mosquito-borne diseases through molecular biology insights in this thought-provoking talk by Nina Fedoroff.
Explore intellectual humility with researcher Tenelle Porter and discover how being wrong can lead to positive growth, better conversations, and meaningful discovery in life.
Discover surprising health statistics and learn about innovative approaches to improve wellness through diet and lifestyle changes.
Insightful discussion on TikTok's algorithm, content moderation, and cultural impact. CEO Shou Chew addresses data privacy, creativity, and community-building while sharing personal stories and future vision.
Vice Admiral Jerome Adams shares insights on America's health challenges, drawing from his experiences as U.S. Surgeon General to discuss opioids, gun violence, and sex education.
Explore how healthcare consumerization is reshaping health insurance, its impact on businesses and consumers, and the implications for healthcare costs and delivery in the United States.
Experts discuss standardizing patient-centered care measurement, its impact on policy, and strategies for implementation. Explores challenges, potential solutions, and the evolving healthcare landscape.
Exploring community-based prevention initiatives for sustainable health solutions, focusing on successful approaches to reduce childhood obesity and improve overall well-being.
Explore how understanding risk perception can drive healthier behaviors, featuring expert insights on patient empowerment, effective communication strategies, and psychological factors influencing health decisions.
Get personalized course recommendations, track subjects and courses with reminders, and more.