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
Inspiring tale of Holocaust survivor Sandor Teszler, showcasing the power of passionate living and continuous learning through adversity and triumph.
Explore how language expresses our thoughts and reveals hidden aspects of our minds, offering insights into human cognition and communication.
Public health expert Mark Tyndall explores harm-reduction strategies like safe-injection sites as effective approaches to address the drug overdose crisis, challenging traditional law enforcement methods.
Explore a fresh perspective on love, challenging traditional metaphors and offering insights to find more joy and less suffering in romantic relationships.
Renowned choreographer Wayne McGregor demonstrates live, unscripted dance creation, revealing the intricate process of translating ideas into movement and showcasing the power of physical expression.
Discover a four-point strategy for effective leadership in the era of employee activism, fostering inclusive workplaces where diverse voices can make a meaningful impact.
Historian Paul A. Kramer explores the divisive US immigration debate, challenging the "insider vs. outsider" framing and proposing new questions to reshape the conversation around rights, equality, and shared responsibility.
Dive into a thought-provoking conversation with OpenAI CEO Sam Altman as he discusses AI's rapid growth, potential to extend human capabilities, and addresses critical concerns about safety, power, and moral authority in a future where AI may surpass hum…
Conflict journalist Bel Trew advocates for empathy-based war reporting, emphasizing the human impact of conflicts beyond violence. She shares stories that illuminate war's toll, aiming to foster healing and understanding.
Explore evidence-based strategies for reducing community violence with expert Thomas Abt. Learn about focused, balanced, and fair interventions that have proven successful in US cities.
Explore why social media is "anti-political" and discover effective strategies for responsible online engagement with researcher Katherine Cross.
Discover why venting fuels anger instead of cooling it down. Learn four science-backed tools using curiosity over catharsis to manage emotions and build stronger relationships.
Discover effective interspecies communication techniques through live dog agility demonstrations by a Westminster champion, revealing secrets to connect with any audience.
Explore strategies to reduce medical errors, including patient safety, technology integration, and systemic improvements in healthcare. Learn from experts about challenges and potential solutions in this critical field.
Explore how museums adapt to crises, engage communities online, and foster healing through digital initiatives, streamed events, and inclusive programming.
Get personalized course recommendations, track subjects and courses with reminders, and more.